API login/register/delete-account, automatic db schema init

account/controller/account.go

@@ -0,0 +1,60 @@
+package controller
+
+import (
+	"arimelody-web/account/model"
+
+	"github.com/jmoiron/sqlx"
+)
+
+func GetAccount(db *sqlx.DB, username string) (*model.Account, error) {
+    var account = model.Account{}
+
+    err := db.Get(&account, "SELECT * FROM account WHERE username=$1", username)
+    if err != nil {
+        return nil, err
+    }
+
+    return &account, nil
+}
+
+func GetAccountByEmail(db *sqlx.DB, email string) (*model.Account, error) {
+    var account = model.Account{}
+
+    err := db.Get(&account, "SELECT * FROM account WHERE email=$1", email)
+    if err != nil {
+        return nil, err
+    }
+
+    return &account, nil
+}
+
+func CreateAccount(db *sqlx.DB, account *model.Account) error {
+    _, err := db.Exec(
+    "INSERT INTO account (username, password, email, avatar_url) " +
+    "VALUES ($1, $2, $3, $4)",
+    account.Username,
+    account.Password,
+    account.Email,
+    account.AvatarURL)
+
+    return err
+}
+
+func UpdateAccount(db *sqlx.DB, account *model.Account) error {
+    _, err := db.Exec(
+    "UPDATE account " +
+    "SET username=$2, password=$3, email=$4, avatar_url=$5) " +
+    "WHERE id=$1",
+    account.ID,
+    account.Username,
+    account.Password,
+    account.Email,
+    account.AvatarURL)
+
+    return err
+}
+
+func DeleteAccount(db *sqlx.DB, accountID string) error {
+    _, err := db.Exec("DELETE FROM account WHERE id=$1", accountID)
+    return err
+}

account/model/account.go

@@ -0,0 +1,54 @@
+package model
+
+import (
+	"math/rand"
+	"time"
+)
+
+type (
+    Account struct {
+        ID          string  `json:"id" db:"id"`
+        Username    string  `json:"username" db:"username"`
+        Password    []byte  `json:"password" db:"password"`
+        Email       string  `json:"email" db:"email"`
+        AvatarURL   string  `json:"avatar_url" db:"avatar_url"`
+        Privileges  []AccountPrivilege  `json:"privileges"`
+    }
+
+    AccountPrivilege string
+
+    Invite struct {
+        Code        string      `db:"code"`
+        CreatedByID string      `db:"created_by"`
+        CreatedAt   time.Time   `db:"created_at"`
+        ExpiresAt   time.Time   `db:"expires_at"`
+    }
+)
+
+const (
+    Root AccountPrivilege = "root" // grants all permissions. very dangerous to grant!
+
+    // unused for now
+    CreateInvites AccountPrivilege = "create_invites"
+    ReadAccounts AccountPrivilege = "read_accounts"
+    EditAccounts AccountPrivilege = "edit_accounts"
+
+    ReadReleases AccountPrivilege = "read_releases"
+    EditReleases AccountPrivilege = "edit_releases"
+
+    ReadTracks AccountPrivilege = "read_tracks"
+    EditTracks AccountPrivilege = "edit_tracks"
+
+    ReadArtists AccountPrivilege = "read_artists"
+    EditArtists AccountPrivilege = "edit_artists"
+)
+
+var inviteChars = []byte("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
+
+func GenerateInviteCode(length int) []byte {
+    code := []byte{}
+    for i := 0; i < length; i++ {
+        code = append(code, inviteChars[rand.Intn(len(inviteChars) - 1)])
+    }
+    return code
+}