feat(notifications): scope notification preferences and split email vs in-app

apps/api/internal/handler/auth.go

@@ -339,13 +339,7 @@ func (h *AuthHandler) GetNotificationPreferences(c *gin.Context) {
 		return
 	}
 	if h.NotifPrefs == nil {
-		c.JSON(http.StatusOK, gin.H{
-			"property_change": true,
-			"state_change":    true,
-			"comment":         true,
-			"mention":         true,
-			"issue_completed": true,
-		})
+		c.JSON(http.StatusOK, notifPrefResponse(model.DefaultNotificationPreference()))
 		return
 	}
 	p, err := h.NotifPrefs.GetGlobal(c.Request.Context(), user.ID)
@@ -354,31 +348,10 @@ func (h *AuthHandler) GetNotificationPreferences(c *gin.Context) {
 		return
 	}
 	if p == nil {
-		c.JSON(http.StatusOK, gin.H{
-			"property_change": true,
-			"state_change":    true,
-			"comment":         true,
-			"mention":         true,
-			"issue_completed": true,
-		})
+		c.JSON(http.StatusOK, notifPrefResponse(model.DefaultNotificationPreference()))
 		return
 	}
-	c.JSON(http.StatusOK, gin.H{
-		"property_change": p.PropertyChange,
-		"state_change":    p.StateChange,
-		"comment":         p.Comment,
-		"mention":         p.Mention,
-		"issue_completed": p.IssueCompleted,
-	})
-}
-
-// UpdateNotificationPreferencesRequest is the body for PUT /api/users/me/notification-preferences/
-type UpdateNotificationPreferencesRequest struct {
-	PropertyChange *bool `json:"property_change"`
-	StateChange    *bool `json:"state_change"`
-	Comment        *bool `json:"comment"`
-	Mention        *bool `json:"mention"`
-	IssueCompleted *bool `json:"issue_completed"`
+	c.JSON(http.StatusOK, notifPrefResponse(*p))
 }
 
 // UpdateNotificationPreferences updates account-level notification preferences.
@@ -393,7 +366,7 @@ func (h *AuthHandler) UpdateNotificationPreferences(c *gin.Context) {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Not configured"})
 		return
 	}
-	var req UpdateNotificationPreferencesRequest
+	var req NotifPrefBody
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request", "detail": err.Error()})
 		return
@@ -404,39 +377,16 @@ func (h *AuthHandler) UpdateNotificationPreferences(c *gin.Context) {
 		return
 	}
 	if p == nil {
-		p = &model.UserNotificationPreference{UserID: user.ID}
-		p.PropertyChange = true
-		p.StateChange = true
-		p.Comment = true
-		p.Mention = true
-		p.IssueCompleted = true
-	}
-	if req.PropertyChange != nil {
-		p.PropertyChange = *req.PropertyChange
-	}
-	if req.StateChange != nil {
-		p.StateChange = *req.StateChange
-	}
-	if req.Comment != nil {
-		p.Comment = *req.Comment
-	}
-	if req.Mention != nil {
-		p.Mention = *req.Mention
-	}
-	if req.IssueCompleted != nil {
-		p.IssueCompleted = *req.IssueCompleted
+		def := model.DefaultNotificationPreference()
+		def.UserID = user.ID
+		p = &def
 	}
+	applyNotifPrefBody(p, req)
 	if err := h.NotifPrefs.UpsertGlobal(c.Request.Context(), p); err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save preferences"})
 		return
 	}
-	c.JSON(http.StatusOK, gin.H{
-		"property_change": p.PropertyChange,
-		"state_change":    p.StateChange,
-		"comment":         p.Comment,
-		"mention":         p.Mention,
-		"issue_completed": p.IssueCompleted,
-	})
+	c.JSON(http.StatusOK, notifPrefResponse(*p))
 }
 
 // ListTokens returns the current user's API tokens (without secret values).

apps/api/internal/handler/notification_preference.go

@@ -0,0 +1,246 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/Devlaner/devlane/api/internal/middleware"
+	"github.com/Devlaner/devlane/api/internal/model"
+	"github.com/Devlaner/devlane/api/internal/service"
+	"github.com/Devlaner/devlane/api/internal/store"
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+// NotifPrefBody is the request/patch shape for notification preferences. Every
+// field is optional; only the provided ones are changed. The bare names gate
+// the in-app channel, the email_* names gate the email channel.
+type NotifPrefBody struct {
+	PropertyChange      *bool `json:"property_change"`
+	StateChange         *bool `json:"state_change"`
+	Comment             *bool `json:"comment"`
+	Mention             *bool `json:"mention"`
+	IssueCompleted      *bool `json:"issue_completed"`
+	EmailPropertyChange *bool `json:"email_property_change"`
+	EmailStateChange    *bool `json:"email_state_change"`
+	EmailComment        *bool `json:"email_comment"`
+	EmailMention        *bool `json:"email_mention"`
+	EmailIssueCompleted *bool `json:"email_issue_completed"`
+}
+
+// notifPrefResponse renders every channel/type toggle for a preference.
+func notifPrefResponse(p model.UserNotificationPreference) gin.H {
+	return gin.H{
+		"property_change":       p.PropertyChange,
+		"state_change":          p.StateChange,
+		"comment":               p.Comment,
+		"mention":               p.Mention,
+		"issue_completed":       p.IssueCompleted,
+		"email_property_change": p.EmailPropertyChange,
+		"email_state_change":    p.EmailStateChange,
+		"email_comment":         p.EmailComment,
+		"email_mention":         p.EmailMention,
+		"email_issue_completed": p.EmailIssueCompleted,
+	}
+}
+
+// applyNotifPrefBody overlays the provided fields onto p.
+func applyNotifPrefBody(p *model.UserNotificationPreference, b NotifPrefBody) {
+	if b.PropertyChange != nil {
+		p.PropertyChange = *b.PropertyChange
+	}
+	if b.StateChange != nil {
+		p.StateChange = *b.StateChange
+	}
+	if b.Comment != nil {
+		p.Comment = *b.Comment
+	}
+	if b.Mention != nil {
+		p.Mention = *b.Mention
+	}
+	if b.IssueCompleted != nil {
+		p.IssueCompleted = *b.IssueCompleted
+	}
+	if b.EmailPropertyChange != nil {
+		p.EmailPropertyChange = *b.EmailPropertyChange
+	}
+	if b.EmailStateChange != nil {
+		p.EmailStateChange = *b.EmailStateChange
+	}
+	if b.EmailComment != nil {
+		p.EmailComment = *b.EmailComment
+	}
+	if b.EmailMention != nil {
+		p.EmailMention = *b.EmailMention
+	}
+	if b.EmailIssueCompleted != nil {
+		p.EmailIssueCompleted = *b.EmailIssueCompleted
+	}
+}
+
+// NotificationPreferenceHandler serves workspace- and project-scoped
+// notification preferences. Account-level ones live on AuthHandler.
+type NotificationPreferenceHandler struct {
+	Prefs    *store.UserNotificationPreferenceStore
+	Ws       *store.WorkspaceStore
+	Projects *service.ProjectService
+}
+
+// baseForScope is the starting preference for a scoped save: the effective
+// (resolved) preference so unspecified fields inherit from the parent scope,
+// or the all-enabled default when nothing is stored. The ID is cleared so the
+// upsert writes a fresh row at the target scope rather than reusing a parent's.
+// A Resolve error is returned rather than swallowed, so a transient failure
+// can't silently reset inherited (disabled) fields to the all-true default.
+func (h *NotificationPreferenceHandler) baseForScope(c *gin.Context, userID uuid.UUID, workspaceID, projectID *uuid.UUID) (model.UserNotificationPreference, error) {
+	p, err := h.Prefs.Resolve(c.Request.Context(), userID, workspaceID, projectID)
+	if err != nil {
+		return model.UserNotificationPreference{}, err
+	}
+	if p != nil {
+		b := *p
+		b.ID = uuid.Nil
+		return b, nil
+	}
+	return model.DefaultNotificationPreference(), nil
+}
+
+// GetWorkspace returns the effective notification preferences for the caller in
+// a workspace.
+// GET /api/workspaces/:slug/notification-preferences/
+func (h *NotificationPreferenceHandler) GetWorkspace(c *gin.Context) {
+	user := middleware.GetUser(c)
+	if user == nil {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "Authentication required"})
+		return
+	}
+	wrk, ok := h.workspaceForMember(c, user.ID)
+	if !ok {
+		return
+	}
+	h.respondResolved(c, user.ID, &wrk.ID, nil)
+}
+
+// UpdateWorkspace writes the caller's workspace-scoped notification preferences.
+// PUT /api/workspaces/:slug/notification-preferences/
+func (h *NotificationPreferenceHandler) UpdateWorkspace(c *gin.Context) {
+	user := middleware.GetUser(c)
+	if user == nil {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "Authentication required"})
+		return
+	}
+	wrk, ok := h.workspaceForMember(c, user.ID)
+	if !ok {
+		return
+	}
+	var body NotifPrefBody
+	if err := c.ShouldBindJSON(&body); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request", "detail": err.Error()})
+		return
+	}
+	p, err := h.baseForScope(c, user.ID, &wrk.ID, nil)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to load preferences"})
+		return
+	}
+	p.UserID = user.ID
+	p.WorkspaceID = &wrk.ID
+	p.ProjectID = nil
+	applyNotifPrefBody(&p, body)
+	if err := h.Prefs.UpsertScoped(c.Request.Context(), &p); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save preferences"})
+		return
+	}
+	c.JSON(http.StatusOK, notifPrefResponse(p))
+}
+
+// GetProject returns the effective notification preferences for the caller in a
+// project (project → workspace → account).
+// GET /api/workspaces/:slug/projects/:projectId/notification-preferences/
+func (h *NotificationPreferenceHandler) GetProject(c *gin.Context) {
+	user := middleware.GetUser(c)
+	if user == nil {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "Authentication required"})
+		return
+	}
+	proj, ok := h.projectForMember(c, user.ID)
+	if !ok {
+		return
+	}
+	h.respondResolved(c, user.ID, &proj.WorkspaceID, &proj.ID)
+}
+
+// UpdateProject writes the caller's project-scoped notification preferences.
+// PUT /api/workspaces/:slug/projects/:projectId/notification-preferences/
+func (h *NotificationPreferenceHandler) UpdateProject(c *gin.Context) {
+	user := middleware.GetUser(c)
+	if user == nil {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "Authentication required"})
+		return
+	}
+	proj, ok := h.projectForMember(c, user.ID)
+	if !ok {
+		return
+	}
+	var body NotifPrefBody
+	if err := c.ShouldBindJSON(&body); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request", "detail": err.Error()})
+		return
+	}
+	p, err := h.baseForScope(c, user.ID, &proj.WorkspaceID, &proj.ID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to load preferences"})
+		return
+	}
+	p.UserID = user.ID
+	p.WorkspaceID = &proj.WorkspaceID
+	p.ProjectID = &proj.ID
+	applyNotifPrefBody(&p, body)
+	if err := h.Prefs.UpsertScoped(c.Request.Context(), &p); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save preferences"})
+		return
+	}
+	c.JSON(http.StatusOK, notifPrefResponse(p))
+}
+
+func (h *NotificationPreferenceHandler) respondResolved(c *gin.Context, userID uuid.UUID, workspaceID, projectID *uuid.UUID) {
+	p, err := h.Prefs.Resolve(c.Request.Context(), userID, workspaceID, projectID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to load preferences"})
+		return
+	}
+	if p == nil {
+		def := model.DefaultNotificationPreference()
+		p = &def
+	}
+	c.JSON(http.StatusOK, notifPrefResponse(*p))
+}
+
+// workspaceForMember resolves the :slug workspace and confirms the caller is a
+// member; it writes the error response and returns false otherwise.
+func (h *NotificationPreferenceHandler) workspaceForMember(c *gin.Context, userID uuid.UUID) (*model.Workspace, bool) {
+	wrk, err := h.Ws.GetBySlug(c.Request.Context(), c.Param("slug"))
+	if err != nil || wrk == nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Workspace not found"})
+		return nil, false
+	}
+	if ok, _ := h.Ws.IsMember(c.Request.Context(), wrk.ID, userID); !ok {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Workspace not found"})
+		return nil, false
+	}
+	return wrk, true
+}
+
+// projectForMember resolves the :projectId project and confirms the caller can
+// access it; it writes the error response and returns false otherwise.
+func (h *NotificationPreferenceHandler) projectForMember(c *gin.Context, userID uuid.UUID) (*model.Project, bool) {
+	pid, ok := projectID(c)
+	if !ok {
+		return nil, false
+	}
+	proj, err := h.Projects.GetByID(c.Request.Context(), c.Param("slug"), pid, userID)
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Project not found"})
+		return nil, false
+	}
+	return proj, true
+}