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gitea/vendor/xorm.io/xorm/contexts/hook.go

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// Copyright 2020 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package contexts
import (
"context"
"database/sql"
"time"
)
// ContextHook represents a hook context
type ContextHook struct {
start time.Time
Ctx context.Context
SQL string // log content or SQL
Args []interface{} // if it's a SQL, it's the arguments
Result sql.Result
ExecuteTime time.Duration
Err error // SQL executed error
}
// NewContextHook return context for hook
func NewContextHook(ctx context.Context, sql string, args []interface{}) *ContextHook {
return &ContextHook{
start: time.Now(),
Ctx: ctx,
SQL: sql,
Args: args,
}
}
func (c *ContextHook) End(ctx context.Context, result sql.Result, err error) {
c.Ctx = ctx
c.Result = result
c.Err = err
c.ExecuteTime = time.Now().Sub(c.start)
}
type Hook interface {
BeforeProcess(c *ContextHook) (context.Context, error)
AfterProcess(c *ContextHook) error
}
type Hooks struct {
hooks []Hook
}
func (h *Hooks) AddHook(hooks ...Hook) {
h.hooks = append(h.hooks, hooks...)
}
func (h *Hooks) BeforeProcess(c *ContextHook) (context.Context, error) {
ctx := c.Ctx
for _, h := range h.hooks {
var err error
ctx, err = h.BeforeProcess(c)
if err != nil {
return nil, err
}
}
return ctx, nil
}
func (h *Hooks) AfterProcess(c *ContextHook) error {
firstErr := c.Err
for _, h := range h.hooks {
err := h.AfterProcess(c)
if err != nil && firstErr == nil {
firstErr = err
}
}
return firstErr
}