feat: implement resolvers for email template

server/resolvers/add_email_template.go

@@ -1 +1,53 @@
 package resolvers
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/authorizerdev/authorizer/server/db"
+	"github.com/authorizerdev/authorizer/server/db/models"
+	"github.com/authorizerdev/authorizer/server/graph/model"
+	"github.com/authorizerdev/authorizer/server/token"
+	"github.com/authorizerdev/authorizer/server/utils"
+	"github.com/authorizerdev/authorizer/server/validators"
+	log "github.com/sirupsen/logrus"
+)
+
+// TODO add template validator
+
+// AddEmailTemplateResolver resolver for add email template mutation
+func AddEmailTemplateResolver(ctx context.Context, params model.AddEmailTemplateRequest) (*model.Response, error) {
+	gc, err := utils.GinContextFromContext(ctx)
+	if err != nil {
+		log.Debug("Failed to get GinContext: ", err)
+		return nil, err
+	}
+
+	if !token.IsSuperAdmin(gc) {
+		log.Debug("Not logged in as super admin")
+		return nil, fmt.Errorf("unauthorized")
+	}
+
+	if !validators.IsValidEmailTemplateEventName(params.EventName) {
+		log.Debug("Invalid Event Name: ", params.EventName)
+		return nil, fmt.Errorf("invalid event name %s", params.EventName)
+	}
+
+	if strings.TrimSpace(params.Template) == "" {
+		return nil, fmt.Errorf("empty template not allowed")
+	}
+
+	_, err = db.Provider.AddEmailTemplate(ctx, models.EmailTemplate{
+		EventName: params.EventName,
+		Template:  params.Template,
+	})
+	if err != nil {
+		log.Debug("Failed to add email template: ", err)
+		return nil, err
+	}
+
+	return &model.Response{
+		Message: `Email template added successfully`,
+	}, nil
+}