mirror of
https://github.com/m5stack/StackChan.git
synced 2026-04-27 11:02:40 +00:00
袁智鸿
83 lines
2.9 KiB
Go
83 lines
2.9 KiB
Go
/*
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SPDX-FileCopyrightText: 2026 M5Stack Technology CO LTD
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SPDX-License-Identifier: MIT
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*/
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package dance
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import (
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"context"
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"stackChan/internal/dao"
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"stackChan/internal/model"
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"stackChan/internal/model/do"
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"stackChan/api/dance/v1"
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"github.com/gogf/gf/v2/database/gdb"
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"github.com/gogf/gf/v2/errors/gcode"
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"github.com/gogf/gf/v2/errors/gerror"
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"github.com/gogf/gf/v2/frame/g"
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)
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func (c *ControllerV1) Create(ctx context.Context, req *v1.CreateReq) (res *v1.CreateRes, err error) {
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// 1. Get and validate MAC address (business required parameter)
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mac := g.RequestFromCtx(ctx).GetCtxVar(model.Mac).String()
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if mac == "" {
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return nil, gerror.NewCode(gcode.CodeInvalidParameter, "MAC address cannot be empty")
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}
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// 2. Auto validate using struct v tag (DanceName required), manual secondary validation as fallback
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if req.DanceName == "" {
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return nil, gerror.NewCode(gcode.CodeInvalidParameter, "Dance name cannot be empty")
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}
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// 3. Validate dance data not empty (RawMessage need to check if empty/only null)
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if len(req.DanceData) == 0 || string(req.DanceData) == "null" {
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return nil, gerror.NewCode(gcode.CodeInvalidParameter, "Dance data cannot be empty or null")
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}
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// 4. Use transaction to ensure data consistency
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err = g.DB().Transaction(ctx, func(ctx context.Context, tx gdb.TX) error {
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// 4.1 Query device, create if not exists
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device, err := dao.Device.Ctx(ctx).TX(tx).Where("mac=?", mac).One()
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if err != nil && !gerror.HasCode(err, gcode.CodeNotFound) {
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return gerror.NewCode(gcode.CodeInternalError, "Failed to query device: %v", err.Error())
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}
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// Create device if not exists
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if device.IsEmpty() {
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_, err = dao.Device.Ctx(ctx).TX(tx).Data(dao.Device.Columns().Mac, mac).Insert()
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if err != nil {
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return gerror.NewCode(gcode.CodeInternalError, "Failed to create device: %v", err.Error())
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}
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}
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// 4.2 Check if dance data with same MAC+DanceName exists (avoid duplicates)
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exist, err := dao.DeviceDance.Ctx(ctx).TX(tx).
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Where("mac=?", mac).
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Where("dance_name=?", req.DanceName).
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Exist()
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if err != nil {
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return gerror.NewCode(gcode.CodeInternalError, "Failed to check duplicate dance data: %v", err.Error())
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}
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if exist {
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return gerror.NewCode(gcode.CodeBusinessValidationFailed, "Dance data with MAC %s and name '%s' already exists", mac, req.DanceName)
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}
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// 4.3 Insert dance data (use RawMessage directly, no need for secondary serialization)
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_, err = dao.DeviceDance.Ctx(ctx).TX(tx).Data(do.DeviceDance{
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Mac: mac,
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DanceData: req.DanceData, // Use RawMessage directly, avoid duplicate marshal
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DanceName: req.DanceName,
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MusicUrl: req.MusicUrl, // Add background music URL field
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}).Insert()
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if err != nil {
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return gerror.NewCode(gcode.CodeInternalError, "Failed to insert dance data: %v", err.Error())
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}
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return nil
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})
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if err != nil {
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return nil, err
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}
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response := v1.CreateRes("Dance data saved successfully")
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return &response, nil
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}
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