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102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
package rqlite
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// client.go provides the main ORM-like client that coordinates all components.
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// It builds on the rqlite stdlib driver to behave like a regular SQL-backed ORM.
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import (
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"context"
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"database/sql"
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"fmt"
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)
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// NewClient wires the ORM client to a *sql.DB (from your RQLiteAdapter).
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func NewClient(db *sql.DB) Client {
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return &client{db: db}
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}
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// NewClientFromAdapter is convenient if you already created the adapter.
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func NewClientFromAdapter(adapter *RQLiteAdapter) Client {
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return NewClient(adapter.GetSQLDB())
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}
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// client implements Client over *sql.DB.
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type client struct {
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db *sql.DB
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}
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// Query runs an arbitrary SELECT and scans rows into dest.
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func (c *client) Query(ctx context.Context, dest any, query string, args ...any) error {
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rows, err := c.db.QueryContext(ctx, query, args...)
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if err != nil {
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return err
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}
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defer rows.Close()
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return scanIntoDest(rows, dest)
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}
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// Exec runs a write statement (INSERT/UPDATE/DELETE).
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func (c *client) Exec(ctx context.Context, query string, args ...any) (sql.Result, error) {
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return c.db.ExecContext(ctx, query, args...)
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}
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// FindBy finds entities matching criteria using simple map-based filtering.
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func (c *client) FindBy(ctx context.Context, dest any, table string, criteria map[string]any, opts ...FindOption) error {
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qb := c.CreateQueryBuilder(table)
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for k, v := range criteria {
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qb = qb.AndWhere(fmt.Sprintf("%s = ?", k), v)
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}
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for _, opt := range opts {
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opt(qb)
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}
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return qb.GetMany(ctx, dest)
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}
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// FindOneBy finds a single entity matching criteria.
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func (c *client) FindOneBy(ctx context.Context, dest any, table string, criteria map[string]any, opts ...FindOption) error {
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qb := c.CreateQueryBuilder(table)
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for k, v := range criteria {
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qb = qb.AndWhere(fmt.Sprintf("%s = ?", k), v)
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}
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for _, opt := range opts {
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opt(qb)
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}
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return qb.GetOne(ctx, dest)
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}
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// Save inserts or updates an entity based on primary key value.
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func (c *client) Save(ctx context.Context, entity any) error {
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return saveEntity(ctx, c.db, entity)
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}
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// Remove deletes an entity by primary key.
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func (c *client) Remove(ctx context.Context, entity any) error {
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return removeEntity(ctx, c.db, entity)
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}
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// Repository returns a typed repository for a table.
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// Note: Returns untyped interface - users must type assert to Repository[T].
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func (c *client) Repository(table string) any {
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return func() any {
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return &repository[any]{c: c, table: table}
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}()
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}
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// CreateQueryBuilder creates a fluent query builder for advanced querying.
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func (c *client) CreateQueryBuilder(table string) *QueryBuilder {
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return newQueryBuilder(c.db, table)
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}
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// Tx executes a function within a transaction.
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func (c *client) Tx(ctx context.Context, fn func(tx Tx) error) error {
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sqlTx, err := c.db.BeginTx(ctx, nil)
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if err != nil {
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return err
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}
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txc := &txClient{tx: sqlTx}
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if err := fn(txc); err != nil {
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_ = sqlTx.Rollback()
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return err
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}
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return sqlTx.Commit()
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}
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