farmstar-survey-backend/internal/router/redeem.go

package router

import (
	"github.com/labstack/echo/v5"
	"github.com/pocketbase/pocketbase/apis"
	"github.com/pocketbase/pocketbase/core"
	"github.com/pocketbase/pocketbase/daos"
	"github.com/pocketbase/pocketbase/forms"
	"github.com/pocketbase/pocketbase/models"
)

func (r *RouterContainer) bootstrapRedeemRoute() {
	r.PB.OnBeforeServe().Add(func(e *core.ServeEvent) error {
		e.Router.POST("/redeem", func(c echo.Context) error {
			requestData := struct {
				DistributorPhone string `json:"distributor_phone"`
				Distributor      string `json:"distributor"`
				FarmerPhone      string `json:"farmer_phone"`
				Redemption       string `json:"redemption_options"`
			}{}
			if err := c.Bind(&requestData); err != nil {
				return apis.NewBadRequestError("Failed to read request data", err)
			}

			if err := r.PB.Dao().RunInTransaction(func(txDao *daos.Dao) error {
				distributorRecord, err := r.PB.Dao().FindFirstRecordByData("users", "phone", requestData.DistributorPhone)
				if err != nil {
					return err
				}

				if distributorRecord.GetString("participant_type") != "distributor" {
					return apis.NewNotFoundError("User is not registered as a distributor", err)
				}

				farmerRecord, err := r.PB.Dao().FindFirstRecordByData("users", "phone", requestData.FarmerPhone)
				if err != nil {
					return err
				}

				if farmerRecord.GetString("participant_type") != "farmer" {
					return apis.NewNotFoundError("User is not registered as a farmer", err)
				}

				redemptionCollection, err := r.PB.Dao().FindCollectionByNameOrId("redemption")
				if err != nil {
					return err
				}

				redemptionRecord := models.NewRecord(redemptionCollection)
				redemptionForm := forms.NewRecordUpsert(r.PB, redemptionRecord)
				redemptionForm.SetDao(txDao)

				redemptionForm.LoadData(map[string]any{
					"distributor_initiator":  distributorRecord.Id,
					"distributor":            requestData.Distributor,
					"farmer":                 farmerRecord.Id,
					"fsp_redemption_request": requestData.Redemption,
				})

				if err := redemptionForm.Submit(); err != nil {
					return apis.NewBadRequestError("Failed to submit distributor details", err)
				}

				return nil

			}); err != nil {
				c.JSON(400, map[string]any{"ok": "false", "error": err.Error()})

				return nil
			}

			c.JSON(200, map[string]any{"ok": "true"})

			return nil
		})

		return nil
	})
}