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move hook to standalone package add hook for engine Co-authored-by: yuxiao.lu <yuxiao.lu@liulishuo.com> Reviewed-on: #1644 Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
// Copyright 2020 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package contexts
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import (
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"context"
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"database/sql"
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"time"
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)
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// ContextHook represents a hook context
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type ContextHook struct {
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start time.Time
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Ctx context.Context
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SQL string // log content or SQL
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Args []interface{} // if it's a SQL, it's the arguments
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Result sql.Result
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ExecuteTime time.Duration
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Err error // SQL executed error
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}
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// NewContextHook return context for hook
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func NewContextHook(ctx context.Context, sql string, args []interface{}) *ContextHook {
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return &ContextHook{
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start: time.Now(),
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Ctx: ctx,
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SQL: sql,
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Args: args,
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}
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}
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func (c *ContextHook) End(ctx context.Context, result sql.Result, err error) {
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c.Ctx = ctx
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c.Result = result
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c.Err = err
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c.ExecuteTime = time.Now().Sub(c.start)
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}
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type Hook interface {
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BeforeProcess(c *ContextHook) (context.Context, error)
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AfterProcess(c *ContextHook) error
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}
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type Hooks struct {
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hooks []Hook
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}
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func (h *Hooks) AddHook(hooks ...Hook) {
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h.hooks = append(h.hooks, hooks...)
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}
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func (h *Hooks) BeforeProcess(c *ContextHook) (context.Context, error) {
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ctx := c.Ctx
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for _, h := range h.hooks {
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var err error
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ctx, err = h.BeforeProcess(c)
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if err != nil {
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return nil, err
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}
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}
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return ctx, nil
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}
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func (h *Hooks) AfterProcess(c *ContextHook) error {
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firstErr := c.Err
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for _, h := range h.hooks {
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err := h.AfterProcess(c)
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if err != nil && firstErr == nil {
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firstErr = err
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}
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}
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return firstErr
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}
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