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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
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| async function fetchFilteredCommits(selectedBranchNames, selectedBranches, allBranches) { | ||
| var branches = []; | ||
| // Recurcively call this function unti all the branches are fetched | ||
| // (GitHub API has a limit of 100 branches per request) | ||
|
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| var APIcost = 0; | ||
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| // The cost depends on the complexity of query that GitHub will have to do | ||
| // First, fetch the commits with just the time, so that top ones to show can be found | ||
| // Then request the rest of the details (like parents) of commits in another request. | ||
| // NOTE : Return true if the request is successful, false otherwise | ||
| async function fetchCommitsPageFiltered(repoOwner, repoName, lastFetched) { | ||
| if (lastFetched == "NONE") { | ||
| console.log("--FETCHING COMMITS STARTED--"); | ||
| } | ||
| else { | ||
| console.log("--STILL FETCHING... TOO MANY BRANCHES--"); | ||
| } | ||
| var endpoint = "https://api.github.com/graphql"; | ||
| if (lastFetched == "NONE") { | ||
| var initialQuery = ` | ||
| fragment branch on Commit { | ||
| history(first: 10) { | ||
| edges { | ||
| node { | ||
| ... on Commit { | ||
| oid | ||
| messageHeadlineHTML | ||
| committedDate | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| { | ||
| repository(owner: "` + repoOwner + `", name: "` + repoName + `") { | ||
| `; | ||
| for (var i = 0; i < selectedBranches.length; i++) { | ||
| initialQuery += encode(selectedBranchNames[i]) + ` : object(oid: "` + selectedBranches[i] + `") { | ||
| ...branch | ||
| } | ||
| `; | ||
| } | ||
| initialQuery += ` | ||
| } | ||
| rateLimit { | ||
| limit | ||
| cost | ||
| remaining | ||
| resetAt | ||
| } | ||
| }`; | ||
| } | ||
| else { | ||
| var initialQuery = ` | ||
| { | ||
| repository(owner: "`+ repoOwner + '", name: "' + repoName + `") { | ||
| refs(refPrefix: "refs/heads/", orderBy: {direction: DESC, field: TAG_COMMIT_DATE}, first:100, after: "` + lastFetched + `") { | ||
| edges { | ||
| cursor | ||
| node { | ||
| ... on Ref { | ||
| name | ||
| target { | ||
| ... on Commit { | ||
| history(first: 10) { | ||
| edges { | ||
| node { | ||
| ... on Commit { | ||
| oid | ||
| messageHeadlineHTML | ||
| committedDate | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| rateLimit { | ||
| limit | ||
| cost | ||
| remaining | ||
| resetAt | ||
| } | ||
| }`; | ||
| } | ||
| var headers = { | ||
| "Content-Type": "application/json", | ||
| "Authorization": "Bearer " + getLocalToken() | ||
| }; | ||
| var body = { | ||
| query: initialQuery | ||
| }; | ||
| var response = await fetch(endpoint, { | ||
| method: "POST", | ||
| headers: headers, | ||
| body: JSON.stringify(body) | ||
| }); | ||
| if ((response.status != 200 && response.status != 201)) { | ||
| console.log("--ERROR FETCHING GRAPHQL--"); | ||
| addAuthorizationPrompt("Failed to fetch commits. Make sure your GitHub account has access to the repository."); | ||
| return (false); | ||
| } | ||
| var data = await response.json(); | ||
| if (data.error || data.errors) { | ||
| console.log("--ERROR FETCHING GRAPHQL--"); | ||
| addAuthorizationPrompt("Failed to fetch commits. Make sure your GitHub account has access to the repository."); | ||
| return (false); | ||
| } | ||
| var fetchedBranches = []; | ||
| for (var branch in data.data.repository) { | ||
| var thisBranch = data.data.repository[branch]; | ||
| thisBranch.name = decode(branch) | ||
| fetchedBranches.push(thisBranch); | ||
| } | ||
| fetchedBranches.forEach(branch => { | ||
| var commit = branch; | ||
| branches.push(commit); | ||
| }); | ||
| if (fetchedBranches.length >= 100) { | ||
| var lastFetchedCursor = fetchedBranches[fetchedBranches.length - 1].cursor; | ||
| if (await fetchCommitsPageFiltered(repoOwner, repoName, lastFetchedCursor) == false) { | ||
| return (false); | ||
| }; | ||
| } | ||
| APIcost += data.data.rateLimit.cost; | ||
| return (true); | ||
| } | ||
|
|
||
| var currentUrl = window.location.href; | ||
| var splitUrl = currentUrl.split('/'); | ||
| var repoOwner = splitUrl[3] | ||
| var repoName = splitUrl[4]; | ||
|
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| var heads = []; | ||
|
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| // fetchCommitsPage returns true only if the fetch was successful | ||
| if (await fetchCommitsPageFiltered(repoOwner, repoName, "NONE")) { | ||
| console.log("--FETCHED BRANCHES--"); | ||
| console.log("--COST : '" + APIcost + "'--"); | ||
| branches = branches.map(branch => { | ||
| heads.push({ | ||
| name: branch.name, | ||
| oid: branch.history.edges[0].node.oid, | ||
| }); | ||
| branch.target = {} | ||
| branch.target.history = branch.history; | ||
| branch.target.history.edges[0].node.isHead = true; | ||
| return branch; | ||
| }) | ||
| await sortCommits(branches, heads, allBranches); | ||
| } | ||
| else { | ||
| console.log("Fetch failure"); | ||
| } | ||
| } | ||
|
|
||
| // Branch names of git allows a lot of flexibiliity in variable naming | ||
| // Many special characters are allowed. But, graphql doesnt seem to accept all of it | ||
| // Hence, converting the UTF-8 characters to a 4 digit number for each character | ||
| // And decoding back. | ||
| function encode(string) { | ||
| var res = "XX" | ||
| for (var i = 0; i < string.length; i++) { | ||
| res += string.charCodeAt(i).toString().padStart(4, 0) | ||
| } | ||
| return (res) | ||
| } | ||
|
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| function decode(string) { | ||
| string = string.substr(2) | ||
| var res = "" | ||
| for (var i = 0; i < string.length; i += 4) { | ||
| res += String.fromCharCode(parseInt(string.substr(i, 4))) | ||
| } | ||
| return (res) | ||
| } |
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