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feat(#40): add database skeleton and entities
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| openapi: 3.1.0 | ||
| openapi: 3.0.4 | ||
| info: | ||
| title: Room Service | ||
| description: |- | ||
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| package entity | ||
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| import "time" | ||
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| type Base struct { | ||
| ID string `gorm:"primaryKey; type:varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;NOT NULL"` | ||
| CreatedAt time.Time | ||
| UpdatedAt time.Time | ||
| DeletedAt *time.Time `sql:"index"` | ||
| } |
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| package entity | ||
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| // Group is a group of attendees that wish to be assigned to a Room together. | ||
| type Group struct { | ||
| Base | ||
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| // Name is the name of the group | ||
| Name string `gorm:"type:varchar(80) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;NOT NULL;uniqueIndex:room_group_name_uidx"` | ||
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| // Flags is a comma-separated list of flags, with both leading and trailing comma. The allowed flags are configuration dependent | ||
| Flags string `gorm:"type:varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci"` | ||
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| // Comments are optional, not processed in any way | ||
| Comments string `gorm:"type:varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci" testdiff:"ignore"` | ||
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| // MaximumSize defaults to a value from service configuration, but we store it here so admins can increase it manually for some groups | ||
| MaximumSize uint | ||
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| // Owner is the badge number (attendee ID) of the attendee owning the group. Ownership can be passed to another attendee. | ||
| Owner uint | ||
| } | ||
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| // GroupMember associates attendees to a group, either as a member or as an invited member. | ||
| type GroupMember struct { | ||
| Member | ||
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| // GroupID references the group to which the member belongs (or has been invited) | ||
| GroupID string `gorm:"type:varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;NOT NULL;index:room_group_member_grpid"` | ||
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| // IsInvite is true if the member has been invited, or false if the member has already joined | ||
| IsInvite bool | ||
| } |
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| package entity | ||
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| import "gorm.io/gorm" | ||
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| type Member struct { | ||
| // This contains ID = the badge number of the attendee (an attendee can only either be in a | ||
| // group or invited, and can only ever be in one room at the same time. | ||
| gorm.Model | ||
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| // Nickname caches the nickname of the attendee | ||
| Nickname string `gorm:"type:varchar(80) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;NOT NULL"` | ||
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| // AvatarURL caches the url to obtain the avatar for this attendee, points to an image such as a png or jpg | ||
| AvatarURL string `gorm:"type:varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci"` | ||
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| // Flags is a comma-separated list of flags such as "has_key", with a leading and trailing comma | ||
| Flags string `gorm:"type:varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci"` | ||
| } |
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| package entity | ||
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| type Room struct { | ||
| Base | ||
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| // Name is the name of the room | ||
| Name string `gorm:"type:varchar(80) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;NOT NULL;uniqueIndex:room_room_name_uidx"` | ||
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| // Flags is a comma-separated list of flags, with both leading and trailing comma. The allowed flags are configuration dependent | ||
| Flags string `gorm:"type:varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci"` | ||
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| // Comments are optional, not processed in any way | ||
| Comments string `gorm:"type:varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci" testdiff:"ignore"` | ||
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| // Size is the size of the room | ||
| Size uint | ||
| } | ||
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| type RoomMember struct { | ||
| Member | ||
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| // RoomID references the room to which the attendee belongs | ||
| RoomID string `gorm:"type:varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;NOT NULL;index:room_room_member_roomid"` | ||
| } |
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| @@ -0,0 +1 @@ | ||
| package dbrepo |
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| package database | ||
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| import "context" | ||
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| type Repository interface { | ||
| Open(ctx context.Context) error | ||
| Close(ctx context.Context) | ||
| Migrate(ctx context.Context) error | ||
| } |
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| package mysqldb | ||
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| import ( | ||
| "context" | ||
| aulogging "github.com/StephanHCB/go-autumn-logging" | ||
| "github.com/eurofurence/reg-room-service/internal/entity" | ||
| "github.com/eurofurence/reg-room-service/internal/repository/database" | ||
| "gorm.io/driver/mysql" | ||
| "gorm.io/gorm" | ||
| "gorm.io/gorm/logger" | ||
| "gorm.io/gorm/schema" | ||
| "time" | ||
| ) | ||
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| type MysqlRepository struct { | ||
| db *gorm.DB | ||
| connectString string | ||
| Now func() time.Time | ||
| } | ||
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| func Create(connectString string) database.Repository { | ||
| return &MysqlRepository{ | ||
| Now: time.Now, | ||
| connectString: connectString, | ||
| } | ||
| } | ||
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| func (r *MysqlRepository) Open(ctx context.Context) error { | ||
| gormConfig := gorm.Config{ | ||
| NamingStrategy: schema.NamingStrategy{ | ||
| TablePrefix: "room_", | ||
| }, | ||
| Logger: logger.Default.LogMode(logger.Silent), | ||
| } | ||
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| db, err := gorm.Open(mysql.Open(r.connectString), &gormConfig) | ||
| if err != nil { | ||
| aulogging.ErrorErrf(ctx, err, "failed to open mysql connection: %s", err.Error()) | ||
| return err | ||
| } | ||
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| sqlDb, err := db.DB() | ||
| if err != nil { | ||
| aulogging.ErrorErrf(ctx, err, "failed to configure mysql connection: %s", err.Error()) | ||
| return err | ||
| } | ||
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| // see https://making.pusher.com/production-ready-connection-pooling-in-go/ | ||
| sqlDb.SetMaxOpenConns(100) | ||
| sqlDb.SetMaxIdleConns(50) | ||
| sqlDb.SetConnMaxLifetime(time.Minute * 10) | ||
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| r.db = db | ||
| return nil | ||
| } | ||
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| func (r *MysqlRepository) Close(_ context.Context) { | ||
| // no more db close in gorm v2 | ||
| } | ||
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| func (r *MysqlRepository) Migrate(ctx context.Context) error { | ||
| err := r.db.AutoMigrate( | ||
| &entity.Member{}, | ||
| &entity.Group{}, | ||
| &entity.Room{}, | ||
| ) | ||
| if err != nil { | ||
| aulogging.Logger.NoCtx().Error().WithErr(err).Printf("failed to migrate mysql db: %s", err.Error()) | ||
| return err | ||
| } | ||
| return nil | ||
| } |