Merge pull request #164 from github/refactor-to-node

Refactor to node, add support for variables

Author: Bryan Cross

graphql/.gitignore

@@ -0,0 +1,3 @@
+node_modules
+.idea
+package-lock.json

graphql/README.md

@@ -5,6 +5,8 @@ This repository holds query samples for the GitHub GraphQL API. It's an easy way
 ### How to use the included script
 
 1. Generate a [personal access token](https://help.github.com/articles/creating-an-access-token-for-command-line-use/) for use with these queries.
-1. Run `bundle install`.
-1. Pick the name of one of the included queries like `viewer.graphql`.
-1. Run `TOKEN=<OAuth Token> bin/run-query viewer.graphql`. Replace `<OAuth Token>` with your personal access token.
+1. Run `npm install`
+1. Pick the name of one of the included queries in the `/queries` directory, such as `viewer.graphql`.
+1. Run `bin/run-query <query_file> <token>`
+
+To change variable values, modify the variables in the `.graphql` file.

graphql/bin/run-query

@@ -1,25 +1,76 @@
-#!/usr/bin/env ruby
-
-require "httparty"
-
-query_file_name = ARGV[0]
-unless query_file_name
-  print "Please provide a file name from 'queries'."
-  exit
-end
-
-query_file_path = File.expand_path(File.join("queries", query_file_name))
-query = File.read(query_file_path)
-
-response = HTTParty.post("https://api.github.com/graphql",
-  :headers => {
-    "User-Agent"    => "github/graphql-samples",
-    "Authorization" => "token #{ENV["TOKEN"]}",
-    "Content-Type"  => "application/json"
-  },
-  :body => {:query => query}.to_json
-)
-
-puts "=== Results from #{File.basename(query_file_name)}"
-puts JSON.pretty_generate(response)
-puts
+#!/usr/bin/env node
+'use strict';
+const fs = require('fs');
+const request = require('request');
+const queryObj = {};
+const program = require('commander');
+const variablesRegex = /variables([\s\S]*)}/gm;
+
+program
+    .version('0.0.1')
+    .usage('<file> <token>')
+    .arguments('<file> <token>')
+    .action(function(file, token){
+        //console.log("Running query: " + file);
+        runQuery(file, token);
+    })
+    .description('Execute specified GraphQL query.');
+
+program.on('--help', function(){
+    console.log('');
+    console.log('  Arguments:');
+    console.log('');
+    console.log('     file :  Path to file containing GraphQL');
+    console.log('     token: Properly scoped GitHub PAT');
+    console.log('');
+});
+
+//Commander doesn't seem to do anything when both required arguments are missing
+//So we'll check the old-fashioned way
+
+if(process.argv.length == 2)
+{
+    console.log("Usage: run-query <file> <token>");
+    process.exitCode = 1;
+}
+else
+{
+    program.parse(process.argv);
+}
+
+
+
+function runQuery(file, token) {
+    if(typeof file === undefined || typeof token === undefined)
+    {
+        console.log('Usage: ./index.js ' + program.usage());
+        process.exit(1);
+    }
+    try {
+        var queryText = fs.readFileSync(file, "utf8");
+    }
+    catch (e) {
+        console.log("Problem opening query file: " + e.message);
+        process.exit(1);
+    }
+
+    //If there is a variables section, extract the values and add them to the query JSON object.
+    queryObj.variables = variablesRegex.test(queryText) ? JSON.parse(queryText.match(variablesRegex)[0].split("variables ")[1]) : {}
+    //Remove the variables section from the query text, whether it exists or not
+    queryObj.query = queryText.replace(variablesRegex, '');
+
+    request({
+        url: "https://api.github.com/graphql"
+        , method: "POST"
+        , headers: {
+            'authorization': 'bearer ' + token
+            , 'content-type': 'application/json'
+            , 'user-agent': 'platform-samples'
+        }
+        , json: true
+        , body: queryObj
+    }, function (error, response, body) {
+        //Make some effort to pretty-print any output
+        console.log(JSON.stringify(body, null, 2));
+    });
+};

graphql/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "graphql",
+  "version": "1.0.0",
+  "description": "Simple command line utility for running GraphQL queries",
+  "main": "index.js",
+  "bin": {
+    "run-query": "./index.js"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "bryancross@github.com",
+  "license": "ISC",
+  "dependencies": {
+    "commander": "^2.12.2"
+  }
+}

graphql/queries/1-org-members.graphql

@@ -0,0 +1,14 @@
+query {
+    organization(login:"github") {
+        login
+        name
+        members(first:100) {
+            edges {
+                node {
+                    login
+                    location
+                }
+            }
+        }
+    }
+}

graphql/queries/10-mutation-issue-comment-get-issue.graphql

@@ -0,0 +1,15 @@
+query getRepoIssue($orgName: String!, $repoName: String!)
+{
+    repository(owner: $orgName, name: $repoName){
+        issues(last: 1){
+            edges{
+                node{
+                    number
+                    id
+                    body
+                }
+            }
+        }
+    }
+}
+

graphql/queries/11-mutation-issue-comment-add.graphql

@@ -0,0 +1,11 @@
+mutation {
+    addComment (
+        input: {
+            body: "Added by GraphQL",
+            subjectId:"<RETURNED_BY_PREVIOUS_CALL>"
+        })
+
+    {
+        clientMutationId
+    }
+}

graphql/queries/2-org-members-variable.graphql

@@ -0,0 +1,18 @@
+query ($orgLogin:String!) {
+    organization(login: $orgLogin) {
+        login
+        name
+        members(first:100) {
+            edges {
+                node {
+                    login
+                    location
+                }
+            }
+        }
+    }
+}
+
+variables {
+    "orgLogin": "bidnessforb"
+}

graphql/queries/3-org-members-commit-msgs.graphql

@@ -0,0 +1,26 @@
+{
+    organization(login: "github") {
+        login
+        name
+        members(first: 100) {
+            edges {
+                node {
+                    login
+                    location
+                }
+            }
+            edges {
+                node {
+                    commitComments(first: 3) {
+                        edges {
+                            node {
+                                id
+                                body
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

graphql/queries/4-org-repos-fragment.graphql

@@ -0,0 +1,12 @@
+query {
+    organization(login: "github") {
+        repositories {
+            ...repoFrag
+        }
+    }
+}
+
+fragment repoFrag on RepositoryConnection {
+    totalCount
+    totalDiskUsage
+}