turns out rewriting all of your database code takes a while
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parent
1998a36d6d
commit
965d6f5c3e
30 changed files with 947 additions and 1036 deletions
183
api/artist.go
183
api/artist.go
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@ -4,10 +4,10 @@ import (
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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"arimelody.me/arimelody.me/global"
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"arimelody.me/arimelody.me/music/model"
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controller "arimelody.me/arimelody.me/music/controller"
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)
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type artistJSON struct {
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@ -19,76 +19,60 @@ type artistJSON struct {
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func ServeAllArtists() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Add("Content-Type", "application/json")
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err := json.NewEncoder(w).Encode(global.Artists)
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var artists = []*model.Artist{}
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err := global.DB.Select(&artists, "SELECT * FROM artist")
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if err != nil {
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fmt.Printf("FATAL: Failed to serve all artists: %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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w.Header().Add("Content-Type", "application/json")
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err = json.NewEncoder(w).Encode(artists)
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if err != nil {
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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}
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})
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}
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func ServeArtist() http.Handler {
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func ServeArtist(artist model.Artist) 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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ServeAllArtists().ServeHTTP(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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Release string `json:"release"`
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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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model.Artist
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Credits map[string]creditJSON `json:"credits"`
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}
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)
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var artist = artistJSON{}
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artist.ID = r.URL.Path[1:]
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var a = global.GetArtist(artist.ID)
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if a == nil {
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http.NotFound(w, r)
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var credits = map[string]creditJSON{}
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err := global.DB.Select(&credits, "SELECT release,role,is_primary FROM musiccredit WHERE id=$1", artist.ID)
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if err != nil {
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fmt.Printf("FATAL: Failed to retrieve artist credits for %s: %s\n", artist.ID, 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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artist.Name = a.Name
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artist.Website = a.Website
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artist.Credits = make(map[string]creditJSON)
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for _, release := range global.Releases {
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for _, credit := range release.Credits {
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if credit.Artist.ID != artist.ID {
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continue
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}
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artist.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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w.Header().Add("Content-Type", "application/json")
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err := json.NewEncoder(w).Encode(artist)
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err = json.NewEncoder(w).Encode(artistJSON{
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Artist: artist,
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Credits: credits,
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})
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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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})
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}
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func CreateArtist() http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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http.NotFound(w, r)
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return
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}
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var data artistJSON
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err := json.NewDecoder(r.Body).Decode(&data)
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if err != nil {
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fmt.Printf("Failed to create artist: %s\n", err)
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http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
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return
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}
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@ -102,11 +86,6 @@ func CreateArtist() http.Handler {
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return
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}
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if global.GetArtist(data.ID) != nil {
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http.Error(w, fmt.Sprintf("Artist %s already exists\n", data.ID), http.StatusBadRequest)
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return
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}
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var artist = model.Artist{
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ID: data.ID,
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Name: *data.Name,
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@ -114,116 +93,66 @@ func CreateArtist() http.Handler {
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Avatar: *data.Avatar,
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}
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err = controller.CreateArtistDB(global.DB, &artist)
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_, err = global.DB.Exec(
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"INSERT INTO artist (id, name, website, avatar) "+
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"VALUES ($1, $2, $3, $4)",
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artist.ID,
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artist.Name,
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artist.Website,
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artist.Avatar)
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if err != nil {
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fmt.Printf("Failed to create artist %s: %s\n", artist.ID, err)
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if strings.Contains(err.Error(), "duplicate key") {
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http.Error(w, fmt.Sprintf("Artist %s already exists\n", data.ID), http.StatusBadRequest)
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return
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}
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fmt.Printf("FATAL: Failed to create artist %s: %s\n", artist.ID, 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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global.Artists = append(global.Artists, &artist)
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w.Header().Add("Content-Type", "application/json")
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w.WriteHeader(http.StatusCreated)
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err = json.NewEncoder(w).Encode(artist)
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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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})
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}
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func UpdateArtist() http.Handler {
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func UpdateArtist(artist model.Artist) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPut {
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http.NotFound(w, r)
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return
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}
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if r.URL.Path == "/" {
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http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
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return
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}
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var data artistJSON
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err := json.NewDecoder(r.Body).Decode(&data)
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if err != nil {
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fmt.Printf("Failed to update artist: %s\n", err)
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fmt.Printf("FATAL: Failed to update artist: %s\n", err)
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http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
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return
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}
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var artistID = r.URL.Path[1:]
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var artist = global.GetArtist(artistID)
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if artist == nil {
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http.Error(w, fmt.Sprintf("Artist %s does not exist\n", artistID), http.StatusBadRequest)
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return
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}
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if data.ID != "" { artist.ID = data.ID }
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if data.Name != nil { artist.Name = *data.Name }
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if data.Website != nil { artist.Website = *data.Website }
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if data.Avatar != nil { artist.Avatar = *data.Avatar }
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var update = *artist
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if data.ID != "" { update.ID = data.ID }
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if data.Name != nil { update.Name = *data.Name }
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if data.Website != nil { update.Website = *data.Website }
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if data.Avatar != nil { update.Avatar = *data.Avatar }
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err = controller.UpdateArtistDB(global.DB, &update)
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_, err = global.DB.Exec(
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"UPDATE artist "+
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"SET name=$2, website=$3, avatar=$4 "+
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"WHERE id=$1",
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artist.ID,
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artist.Name,
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artist.Website,
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artist.Avatar)
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if err != nil {
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fmt.Printf("Failed to update artist %s: %s\n", artist.ID, err)
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fmt.Printf("FATAL: Failed to update artist %s: %s\n", artist.ID, 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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artist.ID = update.ID
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artist.Name = update.Name
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artist.Website = update.Website
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artist.Avatar = update.Avatar
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w.Header().Add("Content-Type", "application/json")
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err = json.NewEncoder(w).Encode(artist)
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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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})
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}
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func DeleteArtist() http.Handler {
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func DeleteArtist(artist model.Artist) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodDelete {
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http.NotFound(w, r)
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return
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}
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if r.URL.Path == "/" {
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http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
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return
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}
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var artistID = r.URL.Path[1:]
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var artist = global.GetArtist(artistID)
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if artist == nil {
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http.Error(w, fmt.Sprintf("Artist %s does not exist\n", artistID), http.StatusBadRequest)
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return
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}
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err := controller.DeleteArtistDB(global.DB, artist)
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_, err := global.DB.Exec(
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"DELETE FROM artist "+
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"WHERE id=$1",
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artist.ID)
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if err != nil {
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fmt.Printf("Failed to delete artist %s: %s\n", artist.ID, err)
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fmt.Printf("FATAL: Failed to delete artist %s: %s\n", artist.ID, 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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global.Artists = func () []*model.Artist {
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var artists = []*model.Artist{}
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for _, a := range global.Artists {
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if a.ID == artist.ID { continue }
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artists = append(artists, a)
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}
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return artists
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}()
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(fmt.Sprintf("Artist %s has been deleted\n", artist.ID)))
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})
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}
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