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resolves #50: badge url

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Implements serving of an SVG badge at the url /badge/JOB.svg which
prettily shows the job's current status
This commit is contained in:
Oliver Giles
2018-09-10 14:51:43 +03:00
parent ab7be5a6c9
commit 132d40e6a3
6 changed files with 67 additions and 0 deletions
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42
src/laminar.cpp
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@@ -924,6 +924,48 @@ kj::Own<MappedFile> Laminar::getArtefact(std::string path) {
return kj::heap<MappedFileImpl>(fs::path(fs::path(homeDir)/"archive"/path).c_str());
}
bool Laminar::handleBadgeRequest(std::string job, std::string &badge) {
RunState rs = RunState::UNKNOWN;
db->stmt("SELECT result FROM builds WHERE name = ? ORDER BY number DESC LIMIT 1")
.bind(job)
.fetch<int>([&](int result){
rs = (RunState) result;
});
if(rs == RunState::UNKNOWN)
return false;
std::string status = to_string(rs);
// Empirical approximation of pixel width. Not particularly stable.
const int jobNameWidth = job.size() * 7 + 10;
const int statusWidth = status.size() * 7 + 10;
const char* gradient1 = (rs == RunState::SUCCESS) ? "#2aff4d" : "#ff2a2a";
const char* gradient2 = (rs == RunState::SUCCESS) ? "#24b43c" : "#b42424";
char* svg = NULL;
asprintf(&svg,
R"x(
<svg xmlns="http://www.w3.org/2000/svg">
<clipPath id="clip">
<rect width="%d" height="20" rx="4"/>
</clipPath>
<linearGradient id="job" x1="0" x2="0" y1="0" y2="1">
<stop offset="0" stop-color="#666" />
<stop offset="1" stop-color="#333" />
</linearGradient>
<linearGradient id="status" x1="0" x2="0" y1="0" y2="1">
<stop offset="0" stop-color="%s" />
<stop offset="1" stop-color="%s" />
</linearGradient>
<g clip-path="url(#clip)" font-family="DejaVu Sans,Verdana,sans-serif" font-size="12" text-anchor="middle">
<rect width="%d" height="20" fill="url(#job)"/>
<text x="%d" y="14" fill="#fff">%s</text>
<rect x="%d" width="%d" height="20" fill="url(#status)"/>
<text x="%d" y="14" fill="#000">%s</text>
</g>
</svg>)x", jobNameWidth+statusWidth, gradient1, gradient2, jobNameWidth, jobNameWidth/2+1, job.data(), jobNameWidth, statusWidth, jobNameWidth+statusWidth/2, status.data());
badge = svg;
return true;
}
std::string Laminar::getCustomCss() {
MappedFileImpl cssFile(fs::path(fs::path(homeDir)/"custom"/"style.css").c_str());
if(cssFile.address()) {