ignore non-parseable strings

src/hooks/parameters.ts

@@ -6,7 +6,12 @@ export const decodeJsonQueryParameters = (parametersNames: string[]) => async (c
   for (const parameterName of parametersNames) {
     if (query[parameterName] != null) {
       if (typeof query[parameterName] === 'string') {
-        query[parameterName] = JSON.parse(query[parameterName] as string)
+        try {
+          query[parameterName] = JSON.parse(query[parameterName] as string)
+        } catch {
+          // Do nothing - it may be a protobuf filter
+          // if not - this will buble up as an error later
+        }
       } else if (Array.isArray(query[parameterName])) {
         const items = (query[parameterName] as string[]).map(item =>
           typeof item === 'string' ? JSON.parse(item) : item

src/services/text-reuse-cluster-passages/schema/find/response.json

@@ -7,7 +7,6 @@
   "properties": {
     "passages": {
       "type": "array",
-      "minimum": 0,
       "items": {
         "$ref": "#/definitions/passageItem"
       }
@@ -36,13 +35,8 @@
           "description": "IIIF Urls of article pages mentioned in the passage"
         }
       },
-      "required": [
-        "passage"
-      ]
+      "required": ["passage"]
     }
   },
-  "required": [
-    "passages",
-    "info"
-  ]
-}
+  "required": ["passages", "info"]
+}