dal

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 Go to latest Published: Apr 20, 2015 License: MIT Imports: 11 Imported by: 0

README

Data Access Layer

(Definition from Wikipedia)

A data access layer (DAL) in computer software, is a layer of a computer program which provides simplified access to data stored in persistent storage of some kind, such as an entity-relational database. This acronym is prevalently used in Microsoft ASP.NET environments.

For example, the DAL might return a reference to an object (in terms of object-oriented programming) complete with its attributes instead of a row of fields from a database table. This allows the client (or user) modules to be created with a higher level of abstraction. This kind of model could be implemented by creating a class of data access methods that directly reference a corresponding set of database stored procedures. Another implementation could potentially retrieve or write records to or from a file system. The DAL hides this complexity of the underlying data store from the external world.

This directory is the equivalent of "models" directory in other web framework. Put all of you database logic here.

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type AccessToken 

type AccessToken struct {
	Base
}

func NewAccessToken 

func NewAccessToken(db *sqlx.DB) *AccessToken

func (*AccessToken) AllAccessTokens 

func (t *AccessToken) AllAccessTokens(tx *sqlx.Tx) ([]*AccessTokenRow, error)

AllAccessTokens returns all user rows.

func (*AccessToken) Create 

func (t *AccessToken) Create(tx *sqlx.Tx, userId int64, level string) (*AccessTokenRow, error)

func (*AccessToken) GetByAccessToken 

func (t *AccessToken) GetByAccessToken(tx *sqlx.Tx, token string) (*AccessTokenRow, error)

GetByAccessToken returns one record by token.

func (*AccessToken) GetById 

func (t *AccessToken) GetById(tx *sqlx.Tx, id int64) (*AccessTokenRow, error)

GetById returns one record by id.

func (*AccessToken) GetByUserId 

func (t *AccessToken) GetByUserId(tx *sqlx.Tx, userId int64) (*AccessTokenRow, error)

GetByUserId returns one record by user_id.

type AccessTokenRow 

type AccessTokenRow struct {
	ID      int64  `db:"id"`
	UserID  int64  `db:"user_id"`
	Token   string `db:"token"`
	Level   string `db:"level"` // read, write, execute
	Enabled bool   `db:"enabled"`
}

type Base 

type Base struct {
	// contains filtered or unexported fields
}

func (*Base) DeleteById 

func (b *Base) DeleteById(tx *sqlx.Tx, id int64) (sql.Result, error)

func (*Base) DeleteFromTable 

func (b *Base) DeleteFromTable(tx *sqlx.Tx, where string) (sql.Result, error)

func (*Base) InsertIntoTable 

func (b *Base) InsertIntoTable(tx *sqlx.Tx, data map[string]interface{}) (sql.Result, error)

func (*Base) UpdateById 

func (b *Base) UpdateById(tx *sqlx.Tx, data map[string]interface{}, id int64) (sql.Result, error)

func (*Base) UpdateByKeyValueString 

func (b *Base) UpdateByKeyValueString(tx *sqlx.Tx, data map[string]interface{}, key, value string) (sql.Result, error)

func (*Base) UpdateFromTable 

func (b *Base) UpdateFromTable(tx *sqlx.Tx, data map[string]interface{}, where string) (sql.Result, error)

type Host 

type Host struct {
	Base
}

func NewHost 

func NewHost(db *sqlx.DB) *Host

func (*Host) AllHostsByAccessTokenId 

func (h *Host) AllHostsByAccessTokenId(tx *sqlx.Tx, accessTokenId int64) ([]*HostRow, error)

AllHostsByAccessTokenId returns all user rows.

func (*Host) AllHostsByAccessTokenIdAndQuery 

func (h *Host) AllHostsByAccessTokenIdAndQuery(tx *sqlx.Tx, accessTokenId int64, resourcedQuery string) ([]*HostRow, error)

AllHostsByAccessTokenIdAndQuery returns all user rows by resourced query.

func (*Host) CreateOrUpdate 

func (h *Host) CreateOrUpdate(tx *sqlx.Tx, accessTokenId int64, jsonData []byte) (*HostRow, error)

CreateOrUpdate performs insert/update for one host data.

func (*Host) GetById 

func (h *Host) GetById(tx *sqlx.Tx, id int64) (*HostRow, error)

GetById returns record by id.

func (*Host) GetByName 

func (h *Host) GetByName(tx *sqlx.Tx, name string) (*HostRow, error)

GetByName returns record by name.

type HostRow 

type HostRow struct {
	ID            int64               `db:"id"`
	AccessTokenID int64               `db:"access_token_id"`
	Name          string              `db:"name"`
	Tags          sqlx_types.JsonText `db:"tags"`
	Data          sqlx_types.JsonText `db:"data"`
}

func (*HostRow) DataAsFlatKeyValue 

func (h *HostRow) DataAsFlatKeyValue() map[string]map[string]interface{}

func (*HostRow) StringTags 

func (h *HostRow) StringTags() []string

type InsertResult 

type InsertResult struct {
	// contains filtered or unexported fields
}

func (*InsertResult) LastInsertId 

func (ir *InsertResult) LastInsertId() (int64, error)

func (*InsertResult) RowsAffected 

func (ir *InsertResult) RowsAffected() (int64, error)

type ResourcedPayload 

type ResourcedPayload struct {
	Data     map[string]interface{}
	GoStruct string
	Host     struct {
		Name string
		Tags []string
	}
	Interval string
	Path     string
	UnixNano float64
}

type User 

type User struct {
	Base
}

func NewUser 

func NewUser(db *sqlx.DB) *User

func (*User) AllUsers 

func (u *User) AllUsers(tx *sqlx.Tx) ([]*UserRow, error)

AllUsers returns all user rows.

func (*User) CreateAccessTokenRow 

func (u *User) CreateAccessTokenRow(tx *sqlx.Tx, userId int64, level string) (*AccessTokenRow, error)

CreateAccessTokenRow create a new token for a user.

func (*User) GetByEmail 

func (u *User) GetByEmail(tx *sqlx.Tx, email string) (*UserRow, error)

GetByEmail returns record by email.

func (*User) GetById 

func (u *User) GetById(tx *sqlx.Tx, id int64) (*UserRow, error)

GetById returns record by id.

func (*User) GetUserByEmailAndPassword 

func (u *User) GetUserByEmailAndPassword(tx *sqlx.Tx, email, password string) (*UserRow, error)

GetByEmail returns record by email but checks password first.

func (*User) Signup 

func (u *User) Signup(tx *sqlx.Tx, email, password, passwordAgain string) (*UserRow, error)

Signup create a new record of user.

func (*User) UpdateEmailAndPasswordById 

func (u *User) UpdateEmailAndPasswordById(tx *sqlx.Tx, userId int64, email, password, passwordAgain string) (*UserRow, error)

UpdateEmailAndPasswordById updates user email and password.

type UserRow 

type UserRow struct {
	ID       int64  `db:"id"`
	Email    string `db:"email"`
	Password string `db:"password"`
}

Source Files

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