添加课程活动Model

server/internal/course_activity/internal/model/courseactivitymodel.go

@@ -0,0 +1,29 @@
+package model
+
+import "github.com/zeromicro/go-zero/core/stores/sqlx"
+
+var _ CourseActivityModel = (*customCourseActivityModel)(nil)
+
+type (
+	// CourseActivityModel is an interface to be customized, add more methods here,
+	// and implement the added methods in customCourseActivityModel.
+	CourseActivityModel interface {
+		courseActivityModel
+		withSession(session sqlx.Session) CourseActivityModel
+	}
+
+	customCourseActivityModel struct {
+		*defaultCourseActivityModel
+	}
+)
+
+// NewCourseActivityModel returns a model for the database table.
+func NewCourseActivityModel(conn sqlx.SqlConn) CourseActivityModel {
+	return &customCourseActivityModel{
+		defaultCourseActivityModel: newCourseActivityModel(conn),
+	}
+}
+
+func (m *customCourseActivityModel) withSession(session sqlx.Session) CourseActivityModel {
+	return NewCourseActivityModel(sqlx.NewSqlConnFromSession(session))
+}

server/internal/course_activity/internal/model/courseactivitymodel_gen.go

@@ -0,0 +1,91 @@
+// Code generated by goctl. DO NOT EDIT.
+// versions:
+//  goctl version: 1.9.1
+
+package model
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"strings"
+
+	"github.com/zeromicro/go-zero/core/stores/builder"
+	"github.com/zeromicro/go-zero/core/stores/sqlx"
+	"github.com/zeromicro/go-zero/core/stringx"
+)
+
+var (
+	courseActivityFieldNames          = builder.RawFieldNames(&CourseActivity{})
+	courseActivityRows                = strings.Join(courseActivityFieldNames, ",")
+	courseActivityRowsExpectAutoSet   = strings.Join(stringx.Remove(courseActivityFieldNames, "`id`", "`create_at`", "`create_time`", "`created_at`", "`update_at`", "`update_time`", "`updated_at`"), ",")
+	courseActivityRowsWithPlaceHolder = strings.Join(stringx.Remove(courseActivityFieldNames, "`id`", "`create_at`", "`create_time`", "`created_at`", "`update_at`", "`update_time`", "`updated_at`"), "=?,") + "=?"
+)
+
+type (
+	courseActivityModel interface {
+		Insert(ctx context.Context, data *CourseActivity) (sql.Result, error)
+		FindOne(ctx context.Context, id int64) (*CourseActivity, error)
+		Update(ctx context.Context, data *CourseActivity) error
+		Delete(ctx context.Context, id int64) error
+	}
+
+	defaultCourseActivityModel struct {
+		conn  sqlx.SqlConn
+		table string
+	}
+
+	CourseActivity struct {
+		Id           int64          `db:"id"`            // 活动ID（主键，自增）
+		CourseId     int64          `db:"course_id"`     // 关联课程ID（关联course表的id）
+		Title        string         `db:"title"`         // 活动标题（如“第1章作业”“期中测试”）
+		ActivityType int64          `db:"activity_type"` // 活动类型（1-作业，2-考试，3-讨论，4-直播）
+		Content      sql.NullString `db:"content"`       // 活动详情（如作业要求、考试说明）
+		StartTime    sql.NullTime   `db:"start_time"`    // 活动开始时间（如直播时间、作业发布时间）
+		EndTime      sql.NullTime   `db:"end_time"`      // 活动结束时间（如作业截止时间）
+		Sort         int64          `db:"sort"`          // 排序（数值越小越靠前）
+	}
+)
+
+func newCourseActivityModel(conn sqlx.SqlConn) *defaultCourseActivityModel {
+	return &defaultCourseActivityModel{
+		conn:  conn,
+		table: "`course_activity`",
+	}
+}
+
+func (m *defaultCourseActivityModel) Delete(ctx context.Context, id int64) error {
+	query := fmt.Sprintf("delete from %s where `id` = ?", m.table)
+	_, err := m.conn.ExecCtx(ctx, query, id)
+	return err
+}
+
+func (m *defaultCourseActivityModel) FindOne(ctx context.Context, id int64) (*CourseActivity, error) {
+	query := fmt.Sprintf("select %s from %s where `id` = ? limit 1", courseActivityRows, m.table)
+	var resp CourseActivity
+	err := m.conn.QueryRowCtx(ctx, &resp, query, id)
+	switch err {
+	case nil:
+		return &resp, nil
+	case sqlx.ErrNotFound:
+		return nil, ErrNotFound
+	default:
+		return nil, err
+	}
+}
+
+func (m *defaultCourseActivityModel) Insert(ctx context.Context, data *CourseActivity) (sql.Result, error) {
+	query := fmt.Sprintf("insert into %s (%s) values (?, ?, ?, ?, ?, ?, ?)", m.table, courseActivityRowsExpectAutoSet)
+	ret, err := m.conn.ExecCtx(ctx, query, data.CourseId, data.Title, data.ActivityType, data.Content, data.StartTime, data.EndTime, data.Sort)
+	return ret, err
+}
+
+func (m *defaultCourseActivityModel) Update(ctx context.Context, data *CourseActivity) error {
+	query := fmt.Sprintf("update %s set %s where `id` = ?", m.table, courseActivityRowsWithPlaceHolder)
+	_, err := m.conn.ExecCtx(ctx, query, data.CourseId, data.Title, data.ActivityType, data.Content, data.StartTime, data.EndTime, data.Sort, data.Id)
+	return err
+}
+
+func (m *defaultCourseActivityModel) tableName() string {
+	return m.table
+}

server/internal/course_activity/internal/model/vars.go

@@ -0,0 +1,5 @@
+package model
+
+import "github.com/zeromicro/go-zero/core/stores/sqlx"
+
+var ErrNotFound = sqlx.ErrNotFound