You can custom middlewares yourself as the doc: https://github.com/gin-gonic/gin#custom-middleware r.Use(AuthMiddleware(true)).

Migrate the schema of database if needed.

You could input the conditions and it will return an UserModel in database with error info.

You can put the default value of a Validator here.

You can put the default value of a Validator here.

You could input an UserModel which will be saved in database returning with error info if err := SaveOne(&userModel); err != nil { ..

A helper to write user_id and user_model to the context.

Extract token from Authorization header Uses PostExtractionFilter to strip "TOKEN " prefix from header.

Extractor for OAuth2 access tokens.

A hack way to save ManyToMany relationship, gorm will build the alias as FollowingBy <-> FollowingByID <-> "following_by_id".

Declare your response schema here.

Models should only be concerned with database schema, more strict checking should be put in validator.

*ModelValidator containing two parts: - Validator: write the form/json checking rule according to the doc https://github.com/go-playground/validator - DataModel: fill with data from Validator after invoking common.Bind(c, self) Then, you can just call model.save() after the data is ready in DataModel.