:goal_net: Prevent duplicate entires into tag_associations

backend/lib/services/profile/index.js

         await this._setTagLookup()
         let associations = groupingId
             ? await TagAssociation.query()
-                  .where('grouping_id', groupingId)
-                  .andWhere('profile_id', profileId)
+                .where('grouping_id', groupingId)
+                .andWhere('profile_id', profileId)
             : await TagAssociation.query().andWhere('profile_id', profileId)
         return associations
             .map(assoc => ({
                     : true
             })
     }
+
+    /**
+     * Use the db to grab tag associations
+     * by profile, grouping, tag, and insert
+     * it if it already exists
+     * @param {object} association
+     */
     async revealProfileInfo(association) {
         const { TagAssociation } = this.server.models()
-        await TagAssociation.query().insert(association)
 
-        return await this.getTagsFor(association.profile_id)
+        const existingAssociations = await TagAssociation.query()
+            .where('profile_id', `${association.profile_id}`)
+            .where('grouping_id', `${association.grouping_id}`)
+            .where('tag_id', `${association.tag_id}`)
+            .where('is_deleted', 0)
+        if (!existingAssociations.length) {
+            await TagAssociation.query().insert(association)
+            return await this.getTagsFor(association.profile_id)
+        } else {
+            return console.error('tag association already exists')
+        }
     }
 }