Add get all templates schema

app/v2/template/template_schemas.py

@@ -1,5 +1,6 @@
 from app.models import SMS_TYPE, TEMPLATE_TYPES
 from app.schema_validation.definitions import uuid, personalisation
+from app.v2.template_schema import template
 
 
 get_template_by_id_request = {
@@ -67,6 +68,51 @@ post_template_preview_response = {
     "required": ["id", "type", "version", "body"]
 }
 
+get_all_template_request = {
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "description": "request schema for parameters allowed when getting all templates",
+    "type": "object",
+    "properties": {
+        "type": {"enum": TEMPLATE_TYPES},
+    },
+    "required": ["type"],
+    "additionalProperties": False,
+}
+
+get_all_template_response = {
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "description": "GET response schema when getting all templates",
+    "type": "object",
+    "properties": {
+        "links": {
+            "type": "object",
+            "properties": {
+                "self": {
+                    "type": "string",
+                    "format": "uri"
+                },
+                "next": {
+                    "type": "string",
+                    "format": "uri"
+                }
+            },
+            "additionalProperties": False,
+            "required": ["self"],
+        },
+        "templates": {
+            "type": "array",
+            "items": {
+                "type": "object",
+                "$ref": "#/definitions/template"
+            }
+        }
+    },
+    "required": ["links", "templates"],
+    "definitions": {
+        "template": template
+    }
+}
+
 
 def create_post_template_preview_response(template, template_object):
     subject = template_object.subject if template.template_type != SMS_TYPE else None