111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
package user
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import (
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"database/sql"
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"time"
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"github.com/russross/meddler"
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)
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type UserManager interface {
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// Find finds the User by ID.
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Find(id int64) (*User, error)
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// FindLogin finds the User by remote login.
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FindLogin(remote, login string) (*User, error)
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// FindToken finds the User by token.
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FindToken(token string) (*User, error)
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// List finds all registered users of the system.
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List() ([]*User, error)
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// Insert persists the User to the datastore.
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Insert(user *User) error
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// Update persists changes to the User to the datastore.
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Update(user *User) error
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// Delete removes the User from the datastore.
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Delete(user *User) error
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}
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// userManager manages a list of users in a SQL database.
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type userManager struct {
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*sql.DB
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}
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// SQL query to retrieve a User by remote login.
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const findLoginQuery = `
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SELECT *
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FROM users
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WHERE user_remote=?
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AND user_login=?
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LIMIT 1
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`
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// SQL query to retrieve a User by remote login.
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const findTokenQuery = `
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SELECT *
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FROM users
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WHERE user_token=?
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LIMIT 1
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`
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// SQL query to retrieve a list of all users.
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const listQuery = `
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SELECT *
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FROM users
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ORDER BY user_name ASC
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`
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// SQL statement to delete a User by ID.
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const deleteStmt = `
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DELETE FROM users WHERE user_id=?
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`
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// NewManager initiales a new UserManager intended to
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// manage and persist commits.
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func NewManager(db *sql.DB) UserManager {
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return &userManager{db}
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}
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func (db *userManager) Find(id int64) (*User, error) {
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dst := User{}
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err := meddler.Load(db, "users", &dst, id)
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return &dst, err
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}
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func (db *userManager) FindLogin(remote, login string) (*User, error) {
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dst := User{}
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err := meddler.QueryRow(db, &dst, findLoginQuery, remote, login)
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return &dst, err
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}
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func (db *userManager) FindToken(token string) (*User, error) {
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dst := User{}
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err := meddler.QueryRow(db, &dst, findTokenQuery, token)
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return &dst, err
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}
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func (db *userManager) List() ([]*User, error) {
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var dst []*User
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err := meddler.QueryAll(db, &dst, listQuery)
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return dst, err
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}
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func (db *userManager) Insert(user *User) error {
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user.Created = time.Now().Unix()
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user.Updated = time.Now().Unix()
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return meddler.Insert(db, "users", user)
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}
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func (db *userManager) Update(user *User) error {
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user.Updated = time.Now().Unix()
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return meddler.Update(db, "users", user)
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}
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func (db *userManager) Delete(user *User) error {
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_, err := db.Exec(deleteStmt, user.ID)
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return err
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}
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