Add full commit message to graphql api

Change-Id: graphql-commit-message

Author: christian-schilling

src/graphql.rs

@@ -125,6 +125,17 @@ impl Revision {
         Ok(filter_commit.summary().unwrap_or("").to_owned())
     }
 
+    fn message(&self, context: &Context) -> FieldResult<String> {
+        let transaction = context.transaction.lock()?;
+        let commit = transaction.repo().find_commit(self.commit_id)?;
+        let filter_commit = transaction.repo().find_commit(filter::apply_to_commit(
+            self.filter,
+            &commit,
+            &transaction,
+        )?)?;
+        Ok(filter_commit.message().unwrap_or("").to_owned())
+    }
+
     fn date(&self, format: String, context: &Context) -> FieldResult<String> {
         let transaction = context.transaction.lock()?;
         let commit = transaction.repo().find_commit(self.commit_id)?;

tests/filter/graphql_history.t

@@ -22,6 +22,7 @@
   >   rev(at: "HEAD", filter: ":workspace=ws") {
   >     history(limit: 1) {
   >       summary
+  >       message
   >     }
   >   }
   > }
@@ -32,7 +33,8 @@
     "rev": {
       "history": [
         {
-          "summary": "add ws"
+          "summary": "add ws",
+          "message": "add ws\n"
         }
       ]
     }

tests/proxy/graphql_schema.t

@@ -323,6 +323,22 @@
                   }
                 }
               },
+              {
+                "args": [],
+                "deprecationReason": null,
+                "description": null,
+                "isDeprecated": false,
+                "name": "message",
+                "type": {
+                  "kind": "NON_NULL",
+                  "name": null,
+                  "ofType": {
+                    "kind": "SCALAR",
+                    "name": "String",
+                    "ofType": null
+                  }
+                }
+              },
               {
                 "args": [
                   {