MORE REFACTORING!! + some improvements
Signed-off-by: ari melody <ari@arimelody.me>
This commit is contained in:
parent
151b2d8fd9
commit
cba791deba
17 changed files with 376 additions and 223 deletions
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@ -1,208 +0,0 @@
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package admin
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import (
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"context"
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"fmt"
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"math/rand"
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"net/http"
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"os"
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// "strings"
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"time"
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"arimelody.me/arimelody.me/discord"
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"arimelody.me/arimelody.me/global"
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)
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type (
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Session struct {
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UserID string
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Token string
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Expires int64
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}
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)
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const TOKEN_LENGTH = 64
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const TOKEN_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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var ADMIN_ID_DISCORD = func() string {
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envvar := os.Getenv("DISCORD_ADMIN_ID")
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if envvar == "" {
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fmt.Printf("DISCORD_ADMIN_ID was not provided. Admin login will be unavailable.\n")
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}
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return envvar
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}()
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var sessions []*Session
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func CreateSession(UserID string) Session {
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return Session{
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UserID: UserID,
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Token: string(generateToken()),
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Expires: time.Now().Add(24 * time.Hour).Unix(),
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}
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}
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func Handler() http.Handler {
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mux := http.NewServeMux()
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mux.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("hello /admin!"))
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}))
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mux.Handle("/callback", global.HTTPLog(OAuthCallbackHandler()))
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mux.Handle("/login", global.HTTPLog(LoginHandler()))
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mux.Handle("/verify", global.HTTPLog(MustAuthorise(VerifyHandler())))
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mux.Handle("/logout", global.HTTPLog(MustAuthorise(LogoutHandler())))
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return mux
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}
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func MustAuthorise(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// TEMPORARY
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ctx := context.WithValue(r.Context(), "role", "admin")
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next.ServeHTTP(w, r.WithContext(ctx))
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return
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/*
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auth := r.Header.Get("Authorization")
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if strings.HasPrefix(auth, "Bearer ") {
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auth = auth[7:]
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} else {
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cookie, err := r.Cookie("token")
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if err != nil {
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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return
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}
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auth = cookie.Value
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}
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var session *Session
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for _, s := range sessions {
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if s.Expires < time.Now().Unix() {
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// expired session. remove it from the list!
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new_sessions := []*Session{}
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for _, ns := range sessions {
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if ns.Token == s.Token {
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continue
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}
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new_sessions = append(new_sessions, ns)
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}
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continue
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}
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if s.Token == auth {
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session = s
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break
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}
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}
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if session == nil {
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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return
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}
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ctx := context.WithValue(r.Context(), "role", "admin")
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next.ServeHTTP(w, r.WithContext(ctx))
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*/
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})
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}
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func LoginHandler() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if ADMIN_ID_DISCORD == "" {
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http.Error(w, http.StatusText(http.StatusServiceUnavailable), http.StatusServiceUnavailable)
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return
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}
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code := r.URL.Query().Get("code")
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if code == "" {
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http.Redirect(w, r, discord.REDIRECT_URI, http.StatusTemporaryRedirect)
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return
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}
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auth_token, err := discord.GetOAuthTokenFromCode(code)
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if err != nil {
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fmt.Printf("Failed to retrieve discord access token: %s\n", err)
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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return
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}
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discord_user, err := discord.GetDiscordUserFromAuth(auth_token)
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if err != nil {
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fmt.Printf("Failed to retrieve discord user information: %s\n", err)
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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return
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}
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if discord_user.Id != ADMIN_ID_DISCORD {
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// TODO: unauthorized user; revoke the token
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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return
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}
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// login success!
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session := CreateSession(discord_user.Username)
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sessions = append(sessions, &session)
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cookie := http.Cookie{}
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cookie.Name = "token"
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cookie.Value = session.Token
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cookie.Expires = time.Now().Add(24 * time.Hour)
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// cookie.Secure = true
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cookie.HttpOnly = true
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cookie.Path = "/"
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http.SetCookie(w, &cookie)
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(session.Token))
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})
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}
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func LogoutHandler() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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token := r.Context().Value("token").(string)
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if token == "" {
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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return
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}
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// remove this session from the list
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sessions = func (token string) []*Session {
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new_sessions := []*Session{}
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for _, session := range sessions {
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new_sessions = append(new_sessions, session)
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}
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return new_sessions
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}(token)
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("OK"))
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})
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}
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func OAuthCallbackHandler() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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})
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}
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func VerifyHandler() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// this is an authorised endpoint, so you *must* supply a valid token
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// before accessing this route.
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w.WriteHeader(http.StatusOK)
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w.Write([]byte("OK"))
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})
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}
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func generateToken() string {
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var token []byte
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for i := 0; i < TOKEN_LENGTH; i++ {
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token = append(token, TOKEN_CHARS[rand.Intn(len(TOKEN_CHARS))])
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}
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return string(token)
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}
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@ -1,155 +0,0 @@
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package music
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import (
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"encoding/json"
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"net/http"
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"github.com/jmoiron/sqlx"
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)
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type Artist struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Website string `json:"website"`
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}
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var Artists []Artist
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func GetArtist(id string) *Artist {
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for _, artist := range Artists {
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if artist.GetID() == id {
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return &artist
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}
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}
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return nil
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}
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// GETTERS
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func (artist Artist) GetID() string {
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return artist.ID
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}
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func (artist Artist) GetName() string {
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return artist.Name
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}
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func (artist Artist) GetWebsite() string {
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return artist.Website
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}
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// SETTERS
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func (artist Artist) SetID(id string) error {
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artist.ID = id
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return nil
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}
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func (artist Artist) SetName(name string) error {
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artist.Name = name
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return nil
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}
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func (artist Artist) SetWebsite(website string) error {
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artist.Website = website
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return nil
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}
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// DATABASE
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func (artist Artist) PushToDB(db *sqlx.DB) {
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// fmt.Printf("Pushing artist [%s] to database...", artist.Name)
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db.MustExec(
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"INSERT INTO artists (id, name, website) "+
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"VALUES ($1, $2, $3) "+
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"ON CONFLICT (id) "+
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"DO UPDATE SET name=$2, website=$3",
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artist.ID,
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artist.Name,
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artist.Website,
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)
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// fmt.Printf("done!\n")
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}
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func PullAllArtists(db *sqlx.DB) ([]Artist, error) {
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artists := []Artist{}
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rows, err := db.Query("SELECT id, name, website FROM artists")
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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var artist = Artist{}
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err = rows.Scan(
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&artist.ID,
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&artist.Name,
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&artist.Website,
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)
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if err != nil {
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return nil, err
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}
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artists = append(artists, artist)
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}
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return artists, nil
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}
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// HTTP HANDLERS
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func ServeArtist() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/" {
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http.NotFound(w, r)
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return
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}
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type (
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creditJSON struct {
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Role string `json:"role"`
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Primary bool `json:"primary"`
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}
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artistJSON struct {
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Artist
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Credits map[string]creditJSON `json:"credits"`
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}
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)
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var res = artistJSON{}
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res.ID = r.URL.Path[1:]
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var artist = GetArtist(res.ID)
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if artist == nil {
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http.NotFound(w, r)
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return
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}
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res.Name = artist.Name
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res.Website = artist.Website
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res.Credits = make(map[string]creditJSON)
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for _, release := range Releases {
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for _, credit := range release.Credits {
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if credit.Artist.ID != res.ID {
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continue
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}
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res.Credits[release.ID] = creditJSON{
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Role: credit.Role,
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Primary: credit.Primary,
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}
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}
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}
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jsonBytes, err := json.Marshal(res)
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if err != nil {
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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return
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}
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w.Header().Add("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(jsonBytes)
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})
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}
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@ -1,84 +0,0 @@
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package music
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import (
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"fmt"
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"github.com/jmoiron/sqlx"
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)
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type Credit struct {
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Artist *Artist `json:"artist"`
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Role string `json:"role"`
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Primary bool `json:"primary"`
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}
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// GETTERS
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func (credit Credit) GetArtist() Artist {
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return *credit.Artist
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}
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func (credit Credit) GetRole() string {
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return credit.Role
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}
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func (credit Credit) IsPrimary() bool {
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return credit.Primary
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}
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// SETTERS
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func (credit Credit) SetArtist(artist *Artist) error {
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// TODO: update DB
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credit.Artist = artist
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return nil
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}
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func (credit Credit) SetRole(role string) error {
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// TODO: update DB
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credit.Role = role
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return nil
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}
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func (credit Credit) SetPrimary(primary bool) error {
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// TODO: update DB
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credit.Primary = primary
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return nil
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}
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// DATABASE
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func PullReleaseCredits(db *sqlx.DB, releaseID string) ([]Credit, error) {
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var credits = []Credit{}
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credit_rows, err := db.Query("SELECT artist, role, is_primary FROM musiccredits WHERE release=$1", releaseID)
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if err != nil {
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return []Credit{}, err
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}
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for credit_rows.Next() {
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var artistID string
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var credit = Credit{}
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err = credit_rows.Scan(
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&artistID,
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&credit.Role,
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&credit.Primary,
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)
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if err != nil {
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fmt.Printf("Error while pulling credit for release %s: %s\n", releaseID, err)
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continue
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}
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credit.Artist = GetArtist(artistID)
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if credit.Artist == nil {
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// this should absolutely not happen ever due to foreign key
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// constraints, but it doesn't hurt to be sure!
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fmt.Printf("Error while pulling credit for release %s: Artist %s does not exist\n", releaseID, artistID)
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continue
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}
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credits = append(credits, credit)
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}
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return credits, nil
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}
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@ -1,73 +0,0 @@
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package music
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import (
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"fmt"
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"regexp"
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"strings"
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"github.com/jmoiron/sqlx"
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)
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type Link struct {
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Name string `json:"name"`
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URL string `json:"url"`
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}
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// GETTERS
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func (link Link) GetName() string {
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return link.Name
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}
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func (link Link) GetURL() string {
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return link.URL
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}
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// SETTERS
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func (link Link) SetName(name string) error {
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// TODO: update DB
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link.Name = name
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return nil
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}
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func (link Link) SetURL(url string) error {
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// TODO: update DB
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link.URL = url
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return nil
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}
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// MISC
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func (link Link) NormaliseName() string {
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rgx := regexp.MustCompile(`[^a-z0-9]`)
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return strings.ToLower(rgx.ReplaceAllString(link.Name, ""))
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}
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// DATABASE
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func PullReleaseLinks(db *sqlx.DB, releaseID string) ([]Link, error) {
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var links = []Link{}
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link_rows, err := db.Query("SELECT name, url FROM musiclinks WHERE release=$1", releaseID);
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if err != nil {
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return []Link{}, err
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}
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for link_rows.Next() {
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var link = Link{}
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err = link_rows.Scan(
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&link.Name,
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&link.URL,
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)
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if err != nil {
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fmt.Printf("Error while pulling link for release %s: %s\n", releaseID, err)
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continue
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}
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links = append(links, link)
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}
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return links, nil
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}
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@ -1,123 +0,0 @@
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package music
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import (
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"fmt"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"arimelody.me/arimelody.me/api/v1/admin"
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"arimelody.me/arimelody.me/global"
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)
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// func make_date_work(date string) time.Time {
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// res, err := time.Parse("2-Jan-2006", date)
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// if err != nil {
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// fmt.Printf("somehow we failed to parse %s! falling back to epoch :]\n", date)
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// return time.Unix(0, 0)
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// }
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// return res
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// }
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// HTTP HANDLER METHODS
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func ServeCatalog() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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releases := []Release{}
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authorised := r.Context().Value("role") != nil && r.Context().Value("role") == "admin"
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for _, release := range Releases {
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if !release.IsReleased() && !authorised {
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continue
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}
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releases = append(releases, release)
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}
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|
||||
global.ServeTemplate("music.html", releases).ServeHTTP(w, r)
|
||||
})
|
||||
}
|
||||
|
||||
func ServeGateway() http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
if r.URL.Path == "/" {
|
||||
http.Redirect(w, r, "/music", http.StatusPermanentRedirect)
|
||||
return
|
||||
}
|
||||
|
||||
id := r.URL.Path[1:]
|
||||
release := GetRelease(id)
|
||||
if release == nil {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
// only allow authorised users to view unreleased releases
|
||||
authorised := r.Context().Value("role") != nil && r.Context().Value("role") == "admin"
|
||||
if !release.IsReleased() && !authorised {
|
||||
admin.MustAuthorise(ServeGateway()).ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
lrw := global.LoggingResponseWriter{w, http.StatusOK}
|
||||
|
||||
global.ServeTemplate("music-gateway.html", release).ServeHTTP(&lrw, r)
|
||||
|
||||
if lrw.Code != http.StatusOK {
|
||||
fmt.Printf("Error loading music gateway for %s\n", id)
|
||||
return
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func ServeArtwork() http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
if r.URL.Path == "/" {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
if !strings.HasSuffix(r.URL.Path, ".png") {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
releaseID := r.URL.Path[1:len(r.URL.Path) - 4]
|
||||
var release = GetRelease(releaseID)
|
||||
if release == nil {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
// only allow authorised users to view unreleased releases
|
||||
authorised := r.Context().Value("role") != nil && r.Context().Value("role") == "admin"
|
||||
if !release.IsReleased() && !authorised {
|
||||
admin.MustAuthorise(ServeArtwork()).ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
fp := filepath.Join("data", "music-artwork", releaseID + ".png")
|
||||
fmt.Println(fp)
|
||||
info, err := os.Stat(fp)
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
}
|
||||
length := info.Size()
|
||||
|
||||
file, err := os.Open(fp)
|
||||
if err != nil {
|
||||
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
defer file.Close()
|
||||
|
||||
var bytes = make([]byte, length)
|
||||
file.Read(bytes)
|
||||
|
||||
w.Header().Add("Content-Type", "image/png")
|
||||
w.WriteHeader(http.StatusOK)
|
||||
w.Write(bytes)
|
||||
})
|
||||
}
|
||||
|
|
@ -1,445 +0,0 @@
|
|||
package music
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"net/http"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"arimelody.me/arimelody.me/api/v1/admin"
|
||||
"github.com/jmoiron/sqlx"
|
||||
)
|
||||
|
||||
type ReleaseType string
|
||||
|
||||
const (
|
||||
Single ReleaseType = "Single"
|
||||
Album ReleaseType = "Album"
|
||||
EP ReleaseType = "EP"
|
||||
Compilation ReleaseType = "Compilation"
|
||||
)
|
||||
|
||||
type Release struct {
|
||||
ID string `json:"id"`
|
||||
Title string `json:"title"`
|
||||
Description string `json:"description"`
|
||||
ReleaseType ReleaseType `json:"type"`
|
||||
ReleaseDate time.Time `json:"releaseDate"`
|
||||
Artwork string `json:"artwork"`
|
||||
Buyname string `json:"buyname"`
|
||||
Buylink string `json:"buylink"`
|
||||
Links []Link `json:"links"`
|
||||
Credits []Credit `json:"credits"`
|
||||
Tracks []Track `json:"tracks"`
|
||||
}
|
||||
|
||||
var Releases []Release;
|
||||
|
||||
// GETTERS
|
||||
|
||||
func (release Release) GetID() string {
|
||||
return release.ID
|
||||
}
|
||||
|
||||
func (release Release) GetTitle() string {
|
||||
return release.Title
|
||||
}
|
||||
|
||||
func (release Release) GetDescription() string {
|
||||
return release.Description
|
||||
}
|
||||
|
||||
func (release Release) GetType() ReleaseType {
|
||||
return release.ReleaseType
|
||||
}
|
||||
|
||||
func (release Release) GetReleaseDate() time.Time {
|
||||
return release.ReleaseDate
|
||||
}
|
||||
|
||||
func (release Release) GetArtwork() string {
|
||||
if release.Artwork == "" {
|
||||
return "/img/default-cover-art.png"
|
||||
}
|
||||
return release.Artwork
|
||||
}
|
||||
|
||||
func (release Release) GetBuyName() string {
|
||||
return release.Buyname
|
||||
}
|
||||
|
||||
func (release Release) GetBuyLink() string {
|
||||
return release.Buylink
|
||||
}
|
||||
|
||||
func (release Release) GetLinks() []Link {
|
||||
return release.Links
|
||||
}
|
||||
|
||||
func (release Release) GetCredits() []Credit {
|
||||
return release.Credits
|
||||
}
|
||||
|
||||
func (release Release) GetTracks() []Track {
|
||||
return release.Tracks
|
||||
}
|
||||
|
||||
// SETTERS
|
||||
|
||||
func (release Release) SetID(id string) error {
|
||||
// TODO: update DB
|
||||
release.ID = id
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetTitle(title string) error {
|
||||
// TODO: update DB
|
||||
release.Title = title
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetDescription(description string) error {
|
||||
// TODO: update DB
|
||||
release.Description = description
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetType(releaseType ReleaseType) error {
|
||||
// TODO: update DB
|
||||
release.ReleaseType = releaseType
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetReleaseDate(releaseDate time.Time) error {
|
||||
// TODO: update DB
|
||||
release.ReleaseDate = releaseDate
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetArtwork(artwork string) error {
|
||||
// TODO: update DB
|
||||
release.Artwork = artwork
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetBuyName(buyname string) error {
|
||||
// TODO: update DB
|
||||
release.Buyname = buyname
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetBuyLink(buylink string) error {
|
||||
// TODO: update DB
|
||||
release.Buylink = buylink
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetLinks(links []Link) error {
|
||||
// TODO: update DB
|
||||
release.Links = links
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetCredits(credits []Credit) error {
|
||||
// TODO: update DB
|
||||
release.Credits = credits
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) SetTracks(tracks []Track) error {
|
||||
// TODO: update DB
|
||||
release.Tracks = tracks
|
||||
return nil
|
||||
}
|
||||
|
||||
// MISC
|
||||
|
||||
func GetRelease(id string) *Release {
|
||||
for _, release := range Releases {
|
||||
if release.GetID() == id {
|
||||
return &release
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) PrintReleaseDate() string {
|
||||
return release.ReleaseDate.Format("02 January 2006")
|
||||
}
|
||||
|
||||
func (release Release) GetReleaseYear() int {
|
||||
return release.ReleaseDate.Year()
|
||||
}
|
||||
|
||||
func (release Release) IsSingle() bool {
|
||||
return len(release.Tracks) == 1;
|
||||
}
|
||||
|
||||
func (release Release) IsReleased() bool {
|
||||
return release.ReleaseDate.Before(time.Now())
|
||||
}
|
||||
|
||||
func (release Release) GetUniqueArtists(only_primary bool) []Artist {
|
||||
var artists = []Artist{}
|
||||
|
||||
for _, credit := range release.Credits {
|
||||
if only_primary && !credit.Primary {
|
||||
continue
|
||||
}
|
||||
|
||||
exists := false
|
||||
for _, a := range artists {
|
||||
if a.ID == credit.Artist.ID {
|
||||
exists = true
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if exists {
|
||||
continue
|
||||
}
|
||||
|
||||
artists = append(artists, *credit.Artist)
|
||||
}
|
||||
|
||||
return artists
|
||||
}
|
||||
|
||||
func (release Release) GetUniqueArtistNames(only_primary bool) []string {
|
||||
var names = []string{}
|
||||
for _, artist := range release.GetUniqueArtists(only_primary) {
|
||||
names = append(names, artist.GetName())
|
||||
}
|
||||
|
||||
return names
|
||||
}
|
||||
|
||||
func (release Release) PrintArtists(only_primary bool, ampersand bool) string {
|
||||
names := release.GetUniqueArtistNames(only_primary)
|
||||
|
||||
if len(names) == 0 {
|
||||
return "Unknown Artist"
|
||||
} else if len(names) == 1 {
|
||||
return names[0]
|
||||
}
|
||||
|
||||
if ampersand {
|
||||
res := strings.Join(names[:len(names)-1], ", ")
|
||||
res += " & " + names[len(names)-1]
|
||||
return res
|
||||
} else {
|
||||
return strings.Join(names[:], ", ")
|
||||
}
|
||||
}
|
||||
|
||||
// DATABASE
|
||||
|
||||
func (release Release) PushToDB(db *sqlx.DB) error {
|
||||
// fmt.Printf("Pushing release [%s] to database...", release.ID)
|
||||
|
||||
tx, err := db.Begin()
|
||||
if err != nil {
|
||||
return errors.New(fmt.Sprintf("Failed to initiate transaction: %s", err))
|
||||
}
|
||||
|
||||
_, err = tx.Exec(
|
||||
"INSERT INTO musicreleases (id, title, description, type, release_date, artwork, buyname, buylink) "+
|
||||
"VALUES ($1, $2, $3, $4, $5, $6, $7, $8) "+
|
||||
"ON CONFLICT (id) "+
|
||||
"DO UPDATE SET title=$2, description=$3, type=$4, release_date=$5, artwork=$6, buyname=$7, buylink=$8",
|
||||
release.ID,
|
||||
release.Title,
|
||||
release.Description,
|
||||
release.ReleaseType,
|
||||
release.ReleaseDate.Format("2-Jan-2006"),
|
||||
release.Artwork,
|
||||
release.Buyname,
|
||||
release.Buylink,
|
||||
)
|
||||
|
||||
for _, link := range release.Links {
|
||||
_, err = tx.Exec(
|
||||
"INSERT INTO musiclinks (release, name, url) "+
|
||||
"VALUES ($1, $2, $3) "+
|
||||
"ON CONFLICT (release, name) "+
|
||||
"DO UPDATE SET url=$3 ",
|
||||
release.ID,
|
||||
link.Name,
|
||||
link.URL,
|
||||
)
|
||||
if err != nil {
|
||||
return errors.New(fmt.Sprintf("Failed to add music link to transaction: %s", err))
|
||||
}
|
||||
}
|
||||
for _, credit := range release.Credits {
|
||||
_, err = tx.Exec(
|
||||
"INSERT INTO musiccredits (release, artist, role, is_primary) "+
|
||||
"VALUES ($1, $2, $3, $4) "+
|
||||
"ON CONFLICT (release, artist) "+
|
||||
"DO UPDATE SET role=$3, is_primary=$4",
|
||||
release.ID,
|
||||
credit.Artist.ID,
|
||||
credit.Role,
|
||||
credit.Primary,
|
||||
)
|
||||
if err != nil {
|
||||
return errors.New(fmt.Sprintf("Failed to add music credit to transaction: %s", err))
|
||||
}
|
||||
}
|
||||
for _, track := range release.Tracks {
|
||||
_, err = tx.Exec(
|
||||
"INSERT INTO musictracks (release, number, title, description, lyrics, preview_url) "+
|
||||
"VALUES ($1, $2, $3, $4, $5, $6) "+
|
||||
"ON CONFLICT (release, number) "+
|
||||
"DO UPDATE SET title=$3, description=$4, lyrics=$5, preview_url=$6",
|
||||
release.ID,
|
||||
track.Number,
|
||||
track.Title,
|
||||
track.Description,
|
||||
track.Lyrics,
|
||||
track.PreviewURL,
|
||||
)
|
||||
if err != nil {
|
||||
return errors.New(fmt.Sprintf("Failed to add music track to transaction: %s", err))
|
||||
}
|
||||
}
|
||||
|
||||
err = tx.Commit()
|
||||
if err != nil {
|
||||
return errors.New(fmt.Sprintf("Failed to commit transaction: %s", err))
|
||||
}
|
||||
|
||||
// fmt.Printf("done!\n")
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (release Release) DeleteFromDB(db *sqlx.DB) error {
|
||||
// this probably doesn't need to be a transaction;
|
||||
// i just felt like making it one
|
||||
tx, err := db.Begin()
|
||||
if err != nil {
|
||||
return errors.New(fmt.Sprintf("Failed to initiate transaction: %s", err))
|
||||
}
|
||||
|
||||
_, err = tx.Exec("DELETE FROM musicreleases WHERE id=$1", release.ID)
|
||||
|
||||
err = tx.Commit()
|
||||
if err != nil {
|
||||
return errors.New(fmt.Sprintf("Failed to commit transaction: %s", err))
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func PullAllReleases(db *sqlx.DB) ([]Release, error) {
|
||||
releases := []Release{}
|
||||
|
||||
rows, err := db.Query("SELECT id, title, description, type, release_date, artwork, buyname, buylink FROM musicreleases")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
for rows.Next() {
|
||||
var release = Release{}
|
||||
|
||||
err = rows.Scan(
|
||||
&release.ID,
|
||||
&release.Title,
|
||||
&release.Description,
|
||||
&release.ReleaseType,
|
||||
&release.ReleaseDate,
|
||||
&release.Artwork,
|
||||
&release.Buyname,
|
||||
&release.Buylink,
|
||||
)
|
||||
if err != nil {
|
||||
fmt.Printf("Error while pulling a release: %s\n", err)
|
||||
continue
|
||||
}
|
||||
|
||||
release.Credits, err = PullReleaseCredits(db, release.ID)
|
||||
if err != nil {
|
||||
fmt.Printf("Failed to pull credits for %s: %v\n", release.ID, err)
|
||||
}
|
||||
|
||||
release.Links, err = PullReleaseLinks(db, release.ID)
|
||||
if err != nil {
|
||||
fmt.Printf("Failed to pull links for %s: %v\n", release.ID, err)
|
||||
}
|
||||
|
||||
release.Tracks, err = PullReleaseTracks(db, release.ID)
|
||||
if err != nil {
|
||||
return nil, errors.New(fmt.Sprintf("error pulling tracks for %s: %v\n", release.ID, err))
|
||||
}
|
||||
|
||||
releases = append(releases, release)
|
||||
}
|
||||
|
||||
return releases, nil
|
||||
}
|
||||
|
||||
// HTTP HANDLERS
|
||||
|
||||
func ServeRelease() http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
if r.URL.Path == "/" {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
releaseID := r.URL.Path[1:]
|
||||
var release = GetRelease(releaseID)
|
||||
if release == nil {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
// only allow authorised users to view unreleased releases
|
||||
authorised := r.Context().Value("role") != nil && r.Context().Value("role") == "admin"
|
||||
if !release.IsReleased() && !authorised {
|
||||
admin.MustAuthorise(ServeRelease()).ServeHTTP(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
jsonBytes, err := json.Marshal(release)
|
||||
if err != nil {
|
||||
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
|
||||
w.Header().Add("Content-Type", "application/json")
|
||||
w.WriteHeader(http.StatusOK)
|
||||
w.Write(jsonBytes)
|
||||
})
|
||||
}
|
||||
|
||||
func PostRelease() http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
if r.Method != http.MethodPost {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
var release Release
|
||||
err := json.NewDecoder(r.Body).Decode(&release)
|
||||
if err != nil {
|
||||
http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
if GetRelease(release.ID) != nil {
|
||||
http.Error(w, fmt.Sprintf("Release %s already exists", release.ID), http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
Releases = append(Releases, release)
|
||||
|
||||
jsonBytes, err := json.Marshal(release)
|
||||
w.Header().Add("Content-Type", "application/json")
|
||||
w.WriteHeader(http.StatusCreated)
|
||||
w.Write(jsonBytes)
|
||||
})
|
||||
}
|
||||
|
|
@ -1,100 +0,0 @@
|
|||
package music
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/jmoiron/sqlx"
|
||||
)
|
||||
|
||||
type Track struct {
|
||||
Number int `json:"number"`
|
||||
Title string `json:"title"`
|
||||
Description string `json:"description"`
|
||||
Lyrics string `json:"lyrics"`
|
||||
PreviewURL string `json:"previewURL"`
|
||||
}
|
||||
|
||||
// GETTERS
|
||||
|
||||
func (track Track) GetNumber() int {
|
||||
return track.Number
|
||||
}
|
||||
|
||||
func (track Track) GetTitle() string {
|
||||
return track.Title
|
||||
}
|
||||
|
||||
func (track Track) GetDescription() string {
|
||||
return track.Description
|
||||
}
|
||||
|
||||
func (track Track) GetLyrics() string {
|
||||
return track.Lyrics
|
||||
}
|
||||
|
||||
func (track Track) GetPreviewURL() string {
|
||||
return track.PreviewURL
|
||||
}
|
||||
|
||||
// SETTERS
|
||||
|
||||
func (track Track) SetNumber(number int) error {
|
||||
// TODO: update DB
|
||||
track.Number = number
|
||||
return nil
|
||||
}
|
||||
|
||||
func (track Track) SetTitle(title string) error {
|
||||
// TODO: update DB
|
||||
track.Title = title
|
||||
return nil
|
||||
}
|
||||
|
||||
func (track Track) SetDescription(description string) error {
|
||||
// TODO: update DB
|
||||
track.Description = description
|
||||
return nil
|
||||
}
|
||||
|
||||
func (track Track) SetLyrics(lyrics string) error {
|
||||
// TODO: update DB
|
||||
track.Lyrics = lyrics
|
||||
return nil
|
||||
}
|
||||
|
||||
func (track Track) SetPreviewURL(previewURL string) error {
|
||||
// TODO: update DB
|
||||
track.PreviewURL = previewURL
|
||||
return nil
|
||||
}
|
||||
|
||||
// DATABASE
|
||||
|
||||
func PullReleaseTracks(db *sqlx.DB, releaseID string) ([]Track, error) {
|
||||
var tracks = []Track{}
|
||||
|
||||
track_rows, err := db.Query("SELECT number, title, description, lyrics, preview_url FROM musictracks WHERE release=$1", releaseID)
|
||||
if err != nil {
|
||||
return []Track{}, err
|
||||
}
|
||||
|
||||
for track_rows.Next() {
|
||||
var track = Track{}
|
||||
|
||||
err = track_rows.Scan(
|
||||
&track.Number,
|
||||
&track.Title,
|
||||
&track.Description,
|
||||
&track.Lyrics,
|
||||
&track.PreviewURL,
|
||||
)
|
||||
if err != nil {
|
||||
fmt.Printf("Error while pulling track for release %s: %s\n", releaseID, err)
|
||||
continue
|
||||
}
|
||||
|
||||
tracks = append(tracks, track)
|
||||
}
|
||||
|
||||
return tracks, nil
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue