mirror of
https://github.com/snowykami/neo-blog.git
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Snowykami
f501948f91
- Replaced static config with dynamic site info context. - Updated color scheme handling in various components to use site info. - Removed deprecated config file and integrated site info fetching. - Enhanced user preference page to allow color scheme selection. - Adjusted blog and console components to reflect new site info structure. - Improved error handling and fallback mechanisms for site info retrieval.
85 lines
1.5 KiB
Go
85 lines
1.5 KiB
Go
package model
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import (
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"database/sql/driver"
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"encoding/json"
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"fmt"
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"gorm.io/gorm"
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"gorm.io/gorm/schema"
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)
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// JSONMap 是一个通用的 JSON 类型（map[string]any）
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type JSONMap map[string]any
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func (JSONMap) GormDataType() string {
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return "json"
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}
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func (JSONMap) GormDBDataType(db *gorm.DB, _ *schema.Field) string {
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switch db.Dialector.Name() {
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case "mysql":
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return "JSON"
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case "postgres":
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return "JSONB"
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default: // sqlite 等
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return "TEXT"
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}
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}
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// Value 实现 driver.Valuer，用于写入数据库
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func (j JSONMap) Value() (driver.Value, error) {
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if j == nil {
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return nil, nil
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}
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b, err := json.Marshal(map[string]any(j))
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if err != nil {
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return nil, err
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}
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return string(b), nil
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}
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// Scan 实现 sql.Scanner，用于从数据库读取并反序列化
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func (j *JSONMap) Scan(src any) error {
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if src == nil {
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*j = nil
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return nil
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}
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var data []byte
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switch v := src.(type) {
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case string:
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data = []byte(v)
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case []byte:
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data = v
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default:
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return fmt.Errorf("cannot scan JSONMap from %T", src)
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}
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if len(data) == 0 {
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*j = nil
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return nil
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}
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var m map[string]any
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if err := json.Unmarshal(data, &m); err != nil {
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return err
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}
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*j = JSONMap(m)
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return nil
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}
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func (j JSONMap) MarshalJSON() ([]byte, error) {
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return json.Marshal(map[string]any(j))
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}
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func (j *JSONMap) UnmarshalJSON(b []byte) error {
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if len(b) == 0 || string(b) == "null" {
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*j = nil
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return nil
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}
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var m map[string]any
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if err := json.Unmarshal(b, &m); err != nil {
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return err
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}
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*j = JSONMap(m)
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return nil
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}
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