feat(material): add material handling and routing functionality
- Introduced MaterialHandler for managing learning materials and subjects. - Updated router to include routes for public and admin material management. - Enhanced database initialization with material subject and file models. - Implemented seeding logic for material subjects and files. - Updated wire generation to include MaterialHandler and related services.
This commit is contained in:
lafay
@@ -159,6 +159,10 @@ func autoMigrate(db *gorm.DB) error {
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&Role{},
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&UserRole{},
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&CasbinRule{},
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// 学习资料相关
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&MaterialSubject{},
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&MaterialFile{},
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)
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if err != nil {
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return err
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@@ -184,6 +188,11 @@ func autoMigrate(db *gorm.DB) error {
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return fmt.Errorf("failed to seed channels: %w", err)
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}
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// 初始化学习资料学科种子数据
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if err := seedMaterialSubjects(db); err != nil {
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return fmt.Errorf("failed to seed material subjects: %w", err)
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}
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return nil
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}
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@@ -321,8 +330,18 @@ func seedPermissions(db *gorm.DB) error {
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return nil
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}
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// seedChannels 初始化频道种子数据（按 slug 幂等）
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// seedChannels 初始化频道种子数据（仅在表为空时）
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func seedChannels(db *gorm.DB) error {
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// 检查是否已有频道数据
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var count int64
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if err := db.Model(&Channel{}).Count(&count).Error; err != nil {
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return err
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}
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if count > 0 {
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zap.L().Info("Channels already exist, skipping seed", zap.Int64("count", count))
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return nil
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}
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defaultChannels := []Channel{
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{Name: "跳蚤市场", Slug: "market", Description: "二手交易与闲置发布", SortOrder: 10, IsActive: true},
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{Name: "课程交流", Slug: "courses", Description: "课程资料、选课与学习讨论", SortOrder: 20, IsActive: true},
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@@ -331,33 +350,45 @@ func seedChannels(db *gorm.DB) error {
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{Name: "保研出国", Slug: "graduate-abroad", Description: "保研、留学申请与经验分享", SortOrder: 50, IsActive: true},
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}
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for _, item := range defaultChannels {
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var existing Channel
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err := db.Where("slug = ?", item.Slug).First(&existing).Error
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if err == nil {
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updates := map[string]any{
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"name": item.Name,
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"description": item.Description,
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"sort_order": item.SortOrder,
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"is_active": item.IsActive,
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}
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if uerr := db.Model(&existing).Updates(updates).Error; uerr != nil {
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return uerr
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}
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continue
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}
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if err != nil && err != gorm.ErrRecordNotFound {
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return err
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}
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if cerr := db.Create(&item).Error; cerr != nil {
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return cerr
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}
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if err := db.Create(&defaultChannels).Error; err != nil {
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return err
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}
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zap.L().Info("Seeded channels successfully", zap.Int("count", len(defaultChannels)))
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return nil
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}
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// seedMaterialSubjects 初始化学习资料学科种子数据（仅在表为空时）
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func seedMaterialSubjects(db *gorm.DB) error {
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// 检查是否已有数据
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var count int64
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if err := db.Model(&MaterialSubject{}).Count(&count).Error; err != nil {
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return err
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}
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if count > 0 {
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zap.L().Info("Material subjects already exist, skipping seed", zap.Int64("count", count))
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return nil
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}
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defaultSubjects := []MaterialSubject{
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{Name: "数学", Icon: "calculator-variant", Color: "#FF6B6B", Description: "高等数学、线性代数、概率论等", SortOrder: 10, IsActive: true},
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{Name: "英语", Icon: "translate", Color: "#4ECDC4", Description: "四六级、考研英语、托福雅思等", SortOrder: 20, IsActive: true},
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{Name: "物理", Icon: "atom", Color: "#45B7D1", Description: "大学物理、电磁学、力学等", SortOrder: 30, IsActive: true},
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{Name: "化学", Icon: "flask", Color: "#96CEB4", Description: "有机化学、无机化学、分析化学等", SortOrder: 40, IsActive: true},
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{Name: "计算机", Icon: "laptop", Color: "#FFEAA7", Description: "数据结构、算法、操作系统等", SortOrder: 50, IsActive: true},
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{Name: "经济管理", Icon: "chart-line", Color: "#DDA0DD", Description: "微观经济学、宏观经济学、管理学等", SortOrder: 60, IsActive: true},
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{Name: "法学", Icon: "scale-balance", Color: "#F39C12", Description: "民法、刑法、宪法等", SortOrder: 70, IsActive: true},
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{Name: "语文文学", Icon: "book-open-page-variant", Color: "#3498DB", Description: "古代文学、现代文学、写作等", SortOrder: 80, IsActive: true},
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}
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if err := db.Create(&defaultSubjects).Error; err != nil {
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return err
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}
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zap.L().Info("Seeded material subjects successfully", zap.Int("count", len(defaultSubjects)))
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return nil
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}
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// CloseDB 关闭数据库连接
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func CloseDB(db *gorm.DB) {
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if sqlDB, err := db.DB(); err == nil {
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113
internal/model/material.go
Normal file
113
internal/model/material.go
Normal file
@@ -0,0 +1,113 @@
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package model
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import (
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"database/sql/driver"
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"encoding/json"
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"time"
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"github.com/google/uuid"
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"gorm.io/gorm"
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)
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// MaterialFileType 文件类型
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type MaterialFileType string
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const (
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MaterialFileTypePDF MaterialFileType = "pdf"
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MaterialFileTypeWord MaterialFileType = "word"
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MaterialFileTypePPT MaterialFileType = "ppt"
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)
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// MaterialStatus 资料状态
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type MaterialStatus string
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const (
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MaterialStatusActive MaterialStatus = "active"
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MaterialStatusInactive MaterialStatus = "inactive"
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)
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// MaterialSubject 学科分类
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type MaterialSubject struct {
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ID string `json:"id" gorm:"type:varchar(36);primaryKey"`
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Name string `json:"name" gorm:"type:varchar(100);not null"`
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Icon string `json:"icon" gorm:"type:varchar(50)"` // MaterialCommunityIcons name
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Color string `json:"color" gorm:"type:varchar(20)"` // 主题色
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Description string `json:"description" gorm:"type:varchar(255)"` // 描述
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SortOrder int `json:"sort_order" gorm:"default:0;index"` // 排序权重
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IsActive bool `json:"is_active" gorm:"default:true;index"` // 是否启用
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CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime"`
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UpdatedAt time.Time `json:"updated_at" gorm:"autoUpdateTime"`
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// 关联
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Materials []MaterialFile `json:"materials,omitempty" gorm:"foreignKey:SubjectID"`
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}
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// BeforeCreate 创建前生成UUID
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func (s *MaterialSubject) BeforeCreate(tx *gorm.DB) error {
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if s.ID == "" {
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s.ID = uuid.New().String()
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}
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return nil
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}
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func (MaterialSubject) TableName() string {
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return "material_subjects"
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}
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// StringArray 字符串数组类型（用于tags）
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type StringArray []string
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// Value 实现 driver.Valuer 接口
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func (a StringArray) Value() (driver.Value, error) {
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if a == nil {
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return nil, nil
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}
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return json.Marshal(a)
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}
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// Scan 实现 sql.Scanner 接口
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func (a *StringArray) Scan(value interface{}) error {
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if value == nil {
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*a = nil
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return nil
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}
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bytes, ok := value.([]byte)
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if !ok {
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return nil
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}
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return json.Unmarshal(bytes, a)
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}
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// MaterialFile 文件资料
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type MaterialFile struct {
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ID string `json:"id" gorm:"type:varchar(36);primaryKey"`
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SubjectID string `json:"subject_id" gorm:"type:varchar(36);index;not null"`
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Title string `json:"title" gorm:"type:varchar(200);not null"`
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Description string `json:"description" gorm:"type:text"`
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FileType MaterialFileType `json:"file_type" gorm:"type:varchar(20);not null;index"`
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FileSize int64 `json:"file_size" gorm:"default:0"` // 文件大小(字节)
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FileURL string `json:"file_url" gorm:"type:text;not null"` // 文件URL
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FileName string `json:"file_name" gorm:"type:varchar(255)"` // 原始文件名
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DownloadCount int `json:"download_count" gorm:"default:0"` // 下载次数
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AuthorID string `json:"author_id" gorm:"type:varchar(36);index"` // 上传者ID
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Tags StringArray `json:"tags" gorm:"type:json"` // 标签
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Status MaterialStatus `json:"status" gorm:"type:varchar(20);default:active;index"` // 状态
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CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime;index"`
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UpdatedAt time.Time `json:"updated_at" gorm:"autoUpdateTime"`
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// 关联
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Subject *MaterialSubject `json:"subject,omitempty" gorm:"foreignKey:SubjectID"`
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Author *User `json:"author,omitempty" gorm:"foreignKey:AuthorID"`
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}
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// BeforeCreate 创建前生成UUID
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func (f *MaterialFile) BeforeCreate(tx *gorm.DB) error {
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if f.ID == "" {
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f.ID = uuid.New().String()
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}
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return nil
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}
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func (MaterialFile) TableName() string {
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return "material_files"
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}
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