package models type User struct { Username string `gorm:"primaryKey" json:"username"` Password string `json:"password"` OwnedPlans []Plan `gorm:"foreignKey:Owner;references:Username" json:"-"` MemberPlans []Plan `gorm:"many2many:user_plans;" json:"-"` Votes []Vote `gorm:"foreignKey:UsernameID" json:"-"` } // CREATE TABLE plans(id INTEGER PRIMARY KEY AUTOINCREMENT, name STRING, owner STRING, FOREIGN KEY(owner) REFERENCES users(username)) // CREATE TABLE plan_user_relations(username STRING, plan INTEGER, PRIMARY KEY(username, plan), FOREIGN KEY username REFERENCES user(username), FOREIGN KEY plan REFERENCES plans(id)) type Plan struct { ID uint `gorm:"primaryKey;autoIncrement:true" json:"id"` Name string `json:"name"` Owner string `json:"owner"` Description string `json:"description"` Members []User `gorm:"many2many:user_plans;" json:"-"` Polls []Poll `gorm:"foreignKey:PlanID;references:ID" json:"-"` } // CREATE TABLE polls(id INTEGER PRIMARY KEY AUTOINCREMENT, plan INTEGER, name STRING, options JSON, FOREIGN KEY plan REFERENCES plans(id)) type Poll struct { ID uint `gorm:"primaryKey;autoIncrement:true" json:"id"` PlanID uint `json:"-"` Options string `json:"options"` Votes []Vote `gorm:"foreignKey:PollID;references:ID" json:"-"` } // CREATE TABLE votes(id INTEGER, poll INTEGER, user STRING, value JSON, FOREIGN KEY poll REFERENCES polls(id), FOREIGN KEY user REFERENCES user(username)) type Vote struct { PollID uint `gorm:"primaryKey" json:"-"` UsernameID string `gorm:"primaryKey" json:"username_id"` Value string `json:"value"` }