Become a gorm feeling and use gorm

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(P$POGFSFODF4QSJOH type Product struct { gorm.Model Code string Price uint
} func main() { db, _ := gorm.Open("sqlite3", "test.db") defer db.Close() db.Create(&Product{Code: "L1212", Price: 1000}) var p Product db.First(&p, 1) db.First(&p, "code = ?", "L1212") db.Model(&p).Update("Price", 2000) db.Delete(&p) } (PSNͷ࢖͍ํ

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(P$POGFSFODF4QSJOH err := db.Debug().Where("role = ?", "admin").Or("role = ?", "super").Find(&users).Error
// SELECT * FROM users WHERE role = 'admin' OR role = 'super'; (PSNͷಛ௃ (PͰ͸௝͍͠ϝιουνΣʔϯ ϝιουνΣʔϯͳͷͰಈతͳΫΤϦ࡞੒͕؆୯Ͱ͖Δ ϝιουνΣʔϯͷͨΊʹΤϥʔΛߏ଄ମʹೖΕ͍ͯΔ

(P$POGFSFODF4QSJOH package gorm type Model struct { ID uint `gorm:"primary_key"`
CreatedAt time.Time UpdatedAt time.Time DeletedAt *time.Time `sql:"index"` } package model type User struct { gorm.Model Name string } (PSNͷϞσϧఆٛ

(P$POGFSFODF4QSJOH $ find model -type f -not -name '*_test.go' |
wc -l 35 $ find model -type f -not -name '*_test.go' | xargs grep 'func' | grep -v '\sfunc' | wc -l 196 # ???????????????? ଟ͘ͳ͍ʁ $ find api -type f -not -name '*_test.go' | wc -l 22 (PSNΛར༻ͨ͠ɺ͋Δ"1*4FSWFS

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(P$POGFSFODF4QSJOH func FindUserByName(n string) *User, error { u := new(User)
if err := db. First(u, "name = ?", n).Error; err != nil { return nil, err } return u, nil } Ϟσϧͷཚཱؔ਺ɺϝιου1BSU ·͋ɺ΍Γ͍ͨ͜ͱ͸Θ͔Δ

(P$POGFSFODF4QSJOH func FindUserByNameWithProfile(n string) *User, error { u := new(User)
if err := db. Preload("Profile").First(u, "name = ?", n).Error; err != nil { return nil, err } return u, nil } Ϟσϧͷཚཱؔ਺ɺϝιου1BSU ଞͷϞσϧґଘΛ௥Ճʜ

(P$POGFSFODF4QSJOH func FindUserByNameWithAll(n string) *User, error { u := new(User)
if err := db. Preload("Profile"). Preload("Projects"). Preload("Projects.Repositories"). Preload("Roles").First(u, "name = ?", n).Error; err != nil { return nil, err } return u, nil } Ϟσϧͷཚཱؔ਺ɺϝιου1BSU ͋Ε΍͜Ε΍௥Ճ͞Ε·ͯ͠ʜ

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(P$POGFSFODF4QSJOH func FindUserByName(n string, Preload ...string) *User, error { d
:= db for _, v := range preloads { d = d.Preload(v) } u := new(User) if err := d.First(&u, "name = ?", n).Error; err != nil { return nil, err } return u, nil } Ϟσϧͷཚཱؔ਺ɺϝιου1BSU ͏·͘΍͍ͬͯΔ෩ʜ

(P$POGFSFODF4QSJOH (u *User) FindByName(n string) error { if err :=
db. First(u, "name = ?", n).Error; err != nil { return err } return nil } Ϟσϧͷཚཱؔ਺ɺϝιου1BSU ͪΐͬͱ͓Μͳ͡΍Μ

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(P$POGFSFODF4QSJOH package api func GetUserWithProfile(c echo.Context) error { n :=
c.Param("username") u, e := model.FindUserByUsernameWithProfile(n) if e != nil { return NewError(http.StatusNotFound, e, "not found") } return c.JSON(http.StatusOK, u)) } package model func FindUserByUsernameWithProfile(n string) (*User, error) { u := new(User) if err := db.Preload("Profile").Scopes(Enabled).Where("username = ?", n).First(u).Error; err != nil { return nil, err } return u, nil } มߋલ

(P$POGFSFODF4QSJOH package api func GetUserWithProfile(c echo.Context) error { n :=
c.Param("username") u := new(model.User) if err := db.Preload("Profile").Scopes(Enabled).Where("username = ?", n).First(u).Error; err != nil { return NewError(http.StatusNotFound, e, "not found") } return c.JSON(http.StatusOK, f) } มߋޙ ͜Ε͚ͩʂϞσϧଆͷ࣮૷͸ແ͘ͳΓ·ͨ͠

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શͯ͸(PSNͷؾ࣋ͪ (P$POGFSFODF4QSJOH

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{ return func (db *gorm.DB) *gorm.DB { return db.Preload("Profile").Preload("Projects").Preload("Roles").Where("status = ?", "enabled") } } u := new(user) db.Scopes(UserGolden()).Find(u, 123)

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▸ ͦͯ͠4DPQF͸݁ߏ࢖͑ΔΑ

͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ (P$POGFSFODF4QSJOH

Become a gorm feeling and use gorm

Become a gorm feeling and use gorm

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