core/server/middleware/team.go

package middleware

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"armature/store"
)

// RequireTeamAdmin returns middleware that restricts access to team admins.
// System admins are always allowed through.
func RequireTeamAdmin(teams store.TeamStore) gin.HandlerFunc {
	return func(c *gin.Context) {
		role, _ := c.Get("role")
		if role == "admin" {
			c.Next()
			return
		}

		userID, _ := c.Get("user_id")
		teamID := c.Param("teamId")
		if teamID == "" {
			c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
				"error": "team ID required",
			})
			return
		}

		isAdmin, err := teams.IsTeamAdmin(c.Request.Context(), teamID, userID.(string))
		if err != nil || !isAdmin {
			c.AbortWithStatusJSON(http.StatusForbidden, gin.H{
				"error": "team admin access required",
			})
			return
		}

		c.Next()
	}
}

// RequireTeamMember returns middleware that restricts access to users who
// belong to the team identified by :teamId (any role).
// System admins are always allowed through.
func RequireTeamMember(teams store.TeamStore) gin.HandlerFunc {
	return func(c *gin.Context) {
		role, _ := c.Get("role")
		if role == "admin" {
			c.Next()
			return
		}

		userID, _ := c.Get("user_id")
		teamID := c.Param("teamId")
		if teamID == "" {
			c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
				"error": "team ID required",
			})
			return
		}

		isMember, _ := teams.IsMember(c.Request.Context(), teamID, userID.(string))
		if !isMember {
			c.AbortWithStatusJSON(http.StatusForbidden, gin.H{
				"error": "team membership required",
			})
			return
		}

		c.Next()
	}
}