Meal groups

client/web/package.json

@@ -83,11 +83,15 @@
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.46.4",
     "vite": "^7.2.4",
-    "vite-plugin-pwa": "^1.2.0"
+    "vite-plugin-pwa": "^0.19.8"
   },
   "overrides": {
     "postcss": "^8.4.38",
     "semver": "^7.5.2",
-    "minimatch": "^10.2.1"
+    "minimatch": "^10.2.1",
+    "serialize-javascript": "^7.0.5",
+    "vite-plugin-pwa": {
+      "vite": "$vite"
+    }
   }
 }

cmd/api/api.go

@@ -257,6 +257,9 @@ func (app *application) mount() http.Handler {
 						r.Get("/hackathon-date-range", app.getHackathonDateRange)
 						r.Post("/hackathon-date-range", app.setHackathonDateRange)
 						r.Put("/scan-types", app.updateScanTypesHandler)
+						r.Get("/meal-groups", app.getMealGroups)
+						r.Put("/meal-groups", app.updateMealGroups)
+						r.Get("/meal-groups/stats", app.getMealGroupStats)
 						r.Put("/applications-enabled", app.setApplicationsEnabled)
 					})
 

cmd/api/applications.go

@@ -80,6 +80,7 @@ func (app *application) getOrCreateApplicationHandler(w http.ResponseWriter, r *
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -141,6 +142,7 @@ func (app *application) updateApplicationHandler(w http.ResponseWriter, r *http.
 
 	if err := app.jsonResponse(w, http.StatusOK, application); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -212,6 +214,7 @@ func (app *application) submitApplicationHandler(w http.ResponseWriter, r *http.
 
 	if err := app.jsonResponse(w, http.StatusOK, application); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -351,6 +354,7 @@ func (app *application) getApplicationStatsHandler(w http.ResponseWriter, r *htt
 
 	if err := app.jsonResponse(w, http.StatusOK, stats); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -456,6 +460,7 @@ func (app *application) listApplicationsHandler(w http.ResponseWriter, r *http.R
 
 	if err := app.jsonResponse(w, http.StatusOK, result); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -525,6 +530,7 @@ func (app *application) setApplicationStatus(w http.ResponseWriter, r *http.Requ
 
 	if err := app.jsonResponse(w, http.StatusOK, ApplicationResponse{Application: application}); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -573,6 +579,7 @@ func (app *application) getApplication(w http.ResponseWriter, r *http.Request) {
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -627,5 +634,6 @@ func (app *application) getApplicantEmailsByStatusHandler(w http.ResponseWriter,
 
 	if err = app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }

cmd/api/auth.go

@@ -46,6 +46,7 @@ func (app *application) getCurrentUserHandler(w http.ResponseWriter, r *http.Req
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -79,6 +80,7 @@ func (app *application) checkEmailAuthMethodHandler(w http.ResponseWriter, r *ht
 			// Email not registered
 			if err := app.jsonResponse(w, http.StatusOK, CheckEmailResponse{Exists: false}); err != nil {
 				app.internalServerError(w, r, err)
+				return
 			}
 			return
 		}
@@ -92,5 +94,6 @@ func (app *application) checkEmailAuthMethodHandler(w http.ResponseWriter, r *ht
 		AuthMethod: &user.AuthMethod,
 	}); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }

cmd/api/reset_hackathon.go

@@ -78,5 +78,6 @@ func (app *application) resetHackathonHandler(w http.ResponseWriter, r *http.Req
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }

cmd/api/resume.go

@@ -83,6 +83,7 @@ func (app *application) generateResumeUploadURLHandler(w http.ResponseWriter, r
 		ResumePath: objectPath,
 	}); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -142,6 +143,7 @@ func (app *application) deleteResumeHandler(w http.ResponseWriter, r *http.Reque
 
 	if err := app.jsonResponse(w, http.StatusOK, application); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -199,6 +201,7 @@ func (app *application) getResumeDownloadURLHandler(w http.ResponseWriter, r *ht
 		DownloadURL: downloadURL,
 	}); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 

cmd/api/reviews.go

@@ -64,6 +64,7 @@ func (app *application) getPendingReviews(w http.ResponseWriter, r *http.Request
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -94,6 +95,7 @@ func (app *application) getCompletedReviews(w http.ResponseWriter, r *http.Reque
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -130,6 +132,7 @@ func (app *application) getApplicationNotes(w http.ResponseWriter, r *http.Reque
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -160,6 +163,7 @@ func (app *application) batchAssignReviews(w http.ResponseWriter, r *http.Reques
 
 	if err := app.jsonResponse(w, http.StatusOK, result); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -202,6 +206,7 @@ func (app *application) getNextReview(w http.ResponseWriter, r *http.Request) {
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -259,6 +264,7 @@ func (app *application) submitVote(w http.ResponseWriter, r *http.Request) {
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -317,5 +323,6 @@ func (app *application) setAIPercent(w http.ResponseWriter, r *http.Request) {
 
 	if err := app.jsonResponse(w, http.StatusOK, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }

cmd/api/scans.go

@@ -1,7 +1,9 @@
 package main
 
 import (
+	"context"
 	"errors"
+	"math/rand"
 	"net/http"
 
 	"github.com/go-chi/chi"
@@ -29,6 +31,11 @@ type UpdateScanTypesPayload struct {
 	ScanTypes []store.ScanType `json:"scan_types" validate:"required,dive"`
 }
 
+type CreateScanResponse struct {
+	*store.Scan
+	MealGroup *string `json:"meal_group,omitempty"`
+}
+
 // getScanTypesHandler returns all configured scan types
 //
 //	@Summary		Get scan types (Admin)
@@ -50,6 +57,7 @@ func (app *application) getScanTypesHandler(w http.ResponseWriter, r *http.Reque
 
 	if err := app.jsonResponse(w, http.StatusOK, ScanTypesResponse{ScanTypes: scanTypes}); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -61,7 +69,7 @@ func (app *application) getScanTypesHandler(w http.ResponseWriter, r *http.Reque
 //	@Accept			json
 //	@Produce		json
 //	@Param			scan	body		CreateScanPayload	true	"Scan to create"
-//	@Success		201		{object}	store.Scan
+//	@Success		201		{object}	CreateScanResponse
 //	@Failure		400		{object}	object{error=string}
 //	@Failure		401		{object}	object{error=string}
 //	@Failure		403		{object}	object{error=string}
@@ -148,8 +156,27 @@ func (app *application) createScanHandler(w http.ResponseWriter, r *http.Request
 		return
 	}
 
-	if err := app.jsonResponse(w, http.StatusCreated, scan); err != nil {
+	var mealGroup *string
+	if found.Category == store.ScanCategoryCheckIn {
+		mealGroup = app.assignMealGroup(r.Context(), req.UserID)
+	} else {
+		// Fetch meal group for response (non-fatal)
+		var err error
+		mealGroup, err = app.store.Application.GetMealGroupByUserID(r.Context(), req.UserID)
+		if err != nil && !errors.Is(err, store.ErrNotFound) {
+			// We don't want to fail the scan if we can't get the meal group info
+			app.logger.Warnw("failed to fetch meal group for scan response", "user_id", req.UserID, "error", err)
+		}
+	}
+
+	response := CreateScanResponse{
+		Scan:      scan,
+		MealGroup: mealGroup,
+	}
+
+	if err := app.jsonResponse(w, http.StatusCreated, response); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -182,9 +209,43 @@ func (app *application) getUserScansHandler(w http.ResponseWriter, r *http.Reque
 
 	if err := app.jsonResponse(w, http.StatusOK, ScansResponse{Scans: scans}); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
+func (app *application) assignMealGroup(ctx context.Context, userID string) *string {
+	groups, err := app.store.Settings.GetMealGroups(ctx)
+	if err != nil {
+		app.logger.Warnw("failed to fetch meal groups for assignment", "error", err)
+		return nil
+	}
+
+	if len(groups) == 0 {
+		return nil
+	}
+
+	hackerApp, err := app.store.Application.GetByUserID(ctx, userID)
+	if err != nil {
+		// If the user doesn't have an application, we can't assign a group.
+		if !errors.Is(err, store.ErrNotFound) {
+			app.logger.Warnw("failed to fetch application for meal group assignment", "user_id", userID, "error", err)
+		}
+		return nil
+	}
+
+	if hackerApp.MealGroup != nil {
+		return hackerApp.MealGroup // Already assigned
+	}
+
+	selectedGroup := groups[rand.Intn(len(groups))]
+	if err := app.store.Application.SetMealGroup(ctx, hackerApp.ID, selectedGroup); err != nil {
+		app.logger.Warnw("failed to set meal group on application", "app_id", hackerApp.ID, "error", err)
+		return nil
+	}
+
+	return &selectedGroup
+}
+
 // getScanStatsHandler returns aggregate scan counts grouped by scan type
 //
 //	@Summary		Get scan statistics (Admin)
@@ -206,6 +267,7 @@ func (app *application) getScanStatsHandler(w http.ResponseWriter, r *http.Reque
 
 	if err := app.jsonResponse(w, http.StatusOK, ScanStatsResponse{Stats: stats}); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }
 
@@ -265,5 +327,6 @@ func (app *application) updateScanTypesHandler(w http.ResponseWriter, r *http.Re
 
 	if err := app.jsonResponse(w, http.StatusOK, ScanTypesResponse(req)); err != nil {
 		app.internalServerError(w, r, err)
+		return
 	}
 }