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package web
templ Layout(title string, content templ.Component) {
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>{ title } · biking_home</title>
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"/>
<link rel="stylesheet" href="/static/style.css"/>
</head>
<body>
<header class="site-header">
<a class="brand" href="/">biking_home</a>
<nav class="nav"><a href="/">Rides</a><a href="/sync">Sync Strava</a></nav>
</header>
<main class="container">
@content
</main>
</body>
</html>
}
templ RidesPage(items []RideView, headers []RideSortHeader) {
@Layout("Rides", RidesContent(items, headers))
}
templ RidesContent(items []RideView, headers []RideSortHeader) {
<p class="eyebrow">Ride library</p>
<div class="toolbar">
<div><h1>All rides</h1><p class="lead">Your imported rides, ready for climb analysis.</p></div>
<a class="button" href="/sync">Sync Strava</a>
</div>
<section class="panel">
if len(items) == 0 {
<div class="empty">No rides stored yet. <a href="/sync">Import your first Strava rides.</a></div>
} else {
<table>
<thead><tr>
for _, header := range headers {
<th class={ header.Class } scope="col" aria-sort={ header.AriaSort }><a class="sort-link" href={ templ.URL(header.URL) }>{ header.Label }<span class="sort-indicator" aria-hidden="true">{ header.Indicator }</span></a></th>
}
</tr></thead>
<tbody>
for _, item := range items {
<tr><td><strong><a href={ templ.URL(rideDetailURL(item.ID)) }>{ item.Name }</a></strong><br/><small>{ item.Type }</small></td><td>{ formatRideDate(item.StartDate) }</td><td class="numeric">{ formatDistance(item.DistanceM) }</td><td class="numeric">{ formatDuration(item.MovingTimeS) }</td><td class="numeric">{ formatElevation(item.TotalElevationGainM) }</td><td class="numeric">{ item.Cotacol }</td><td class="numeric">{ item.CotacolPer100Km }</td></tr>
}
</tbody>
</table>
}
</section>
}
templ RideDetailPage(data RideDetailView) {
@Layout("Ride detail", RideDetailContent(data))
}
templ RideDetailContent(data RideDetailView) {
<p class="eyebrow">Ride detail</p>
<div class="toolbar">
<div><h1>{ data.Ride.Name }</h1><p class="lead">{ data.Ride.Type } · { formatRideDate(data.Ride.StartDate) }</p></div>
<a class="button secondary" href="/">Back to rides</a>
</div>
<section class="panel">
<dl>
<div><dt>Distance</dt><dd>{ formatDistance(data.Ride.DistanceM) }</dd></div>
<div><dt>Moving time</dt><dd>{ formatDuration(data.Ride.MovingTimeS) }</dd></div>
<div><dt>Elevation</dt><dd>{ formatElevation(data.Ride.TotalElevationGainM) }</dd></div>
</dl>
</section>
if data.RouteError != "" {
<div class="error">{ data.RouteError }</div>
}
if data.HasRoute {
<section class="panel profile-panel">
<div class="profile-heading">
<h2>Elevation profile</h2>
<p>Hover or focus the profile to inspect the ride at that distance.</p>
</div>
<div class="profile-chart">
<canvas id="ride-profile-chart" tabindex="0" role="img" aria-describedby="ride-profile-hover" aria-label="Interactive ride elevation profile"></canvas>
</div>
<output id="ride-profile-hover" class="profile-hover" aria-live="polite">Hover or focus the profile to inspect elevation.</output>
</section>
<section class="panel map-panel">
<div id="ride-map" class="ride-map" role="img" aria-label="Recorded ride route map"></div>
</section>
@templ.JSONScript("ride-route", data.Route)
@templ.JSONScript("ride-profile", data.Profile)
<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
<script>
(() => {
const mapElement = document.getElementById("ride-map");
const routeElement = document.getElementById("ride-route");
const profileElement = document.getElementById("ride-profile");
const canvas = document.getElementById("ride-profile-chart");
const hoverOutput = document.getElementById("ride-profile-hover");
if (!mapElement || !routeElement || !profileElement || !canvas || !hoverOutput) return;
const colorProbe = document.createElement("span");
colorProbe.hidden = true;
document.body.append(colorProbe);
const resolveColor = (name) => {
colorProbe.style.color = `var(${name})`;
return getComputedStyle(colorProbe).color;
};
const colors = {
accent: resolveColor("--color-accent"),
forest: resolveColor("--color-forest"),
subtle: resolveColor("--color-subtle"),
plotSurface: resolveColor("--color-plot-surface"),
plotSurfaceOverlay: resolveColor("--color-plot-surface-overlay"),
grid: resolveColor("--color-plot-grid"),
accentFill: resolveColor("--color-accent-fill"),
climbLabel: resolveColor("--color-climb-label"),
crossing: resolveColor("--color-crossing"),
crossingLabel: resolveColor("--color-crossing-label"),
hoverLine: resolveColor("--color-hover-line"),
};
colorProbe.remove();
const route = JSON.parse(routeElement.textContent);
const profile = JSON.parse(profileElement.textContent);
const map = L.map(mapElement);
const tiles = L.tileLayer("https://tile.openstreetmap.org/{z}/{x}/{y}.png", {
maxZoom: 19,
attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
});
tiles.addTo(map);
const routeLayer = L.geoJSON(route, {
style: { color: colors.accent, weight: 4, opacity: 0.9 },
}).addTo(map);
const bounds = routeLayer.getBounds();
if (bounds.isValid()) {
map.fitBounds(bounds, { padding: [24, 24], maxZoom: 15 });
}
const points = profile.points || [];
if (points.length === 0) return;
const routeCursor = L.circleMarker([points[0].latitude, points[0].longitude], {
color: colors.forest,
fillColor: colors.accent,
fillOpacity: 0,
opacity: 0,
radius: 7,
weight: 3,
interactive: false,
}).addTo(map);
const context = canvas.getContext("2d");
if (!context) return;
const state = { hoveredIndex: -1, plot: null, width: 0, height: 0 };
const minDistance = points[0].distanceKm;
const maxDistance = points[points.length - 1].distanceKm;
let minElevation = points[0].elevationM;
let maxElevation = points[0].elevationM;
for (const point of points) {
minElevation = Math.min(minElevation, point.elevationM);
maxElevation = Math.max(maxElevation, point.elevationM);
}
const elevationPadding = Math.max((maxElevation - minElevation) * 0.1, 20);
minElevation -= elevationPadding;
maxElevation += elevationPadding;
const formatDistance = (distance) => `${distance.toFixed(distance < 10 ? 1 : 0)} km`;
const formatElevation = (elevation) => `${Math.round(elevation)} m`;
const clamp = (value, min, max) => Math.max(min, Math.min(max, value));
const xForDistance = (distance) => {
const span = Math.max(maxDistance - minDistance, 1);
return state.plot.left + (distance - minDistance) / span * (state.plot.right - state.plot.left);
};
const yForElevation = (elevation) => {
const span = Math.max(maxElevation - minElevation, 1);
return state.plot.bottom - (elevation - minElevation) / span * (state.plot.bottom - state.plot.top);
};
const nearestPointIndex = (distance) => {
let low = 0;
let high = points.length - 1;
while (low < high) {
const middle = Math.floor((low + high) / 2);
if (points[middle].distanceKm < distance) low = middle + 1;
else high = middle;
}
if (low === 0) return low;
const previous = points[low - 1];
return distance - previous.distanceKm < points[low].distanceKm - distance ? low - 1 : low;
};
const draw = () => {
const rect = canvas.getBoundingClientRect();
if (rect.width === 0 || rect.height === 0) return;
const ratio = window.devicePixelRatio || 1;
canvas.width = Math.floor(rect.width * ratio);
canvas.height = Math.floor(rect.height * ratio);
context.setTransform(ratio, 0, 0, ratio, 0, 0);
state.width = rect.width;
state.height = rect.height;
state.plot = { left: 52, right: rect.width - 20, top: 24, bottom: rect.height - 34 };
const plot = state.plot;
context.clearRect(0, 0, rect.width, rect.height);
context.fillStyle = colors.plotSurface;
context.fillRect(0, 0, rect.width, rect.height);
context.font = "12px system-ui, sans-serif";
context.textBaseline = "middle";
for (let step = 0; step <= 4; step++) {
const fraction = step / 4;
const y = plot.top + fraction * (plot.bottom - plot.top);
const elevation = maxElevation - fraction * (maxElevation - minElevation);
context.strokeStyle = colors.grid;
context.lineWidth = 1;
context.beginPath();
context.moveTo(plot.left, y);
context.lineTo(plot.right, y);
context.stroke();
context.fillStyle = colors.subtle;
context.textAlign = "right";
context.fillText(formatElevation(elevation), plot.left - 8, y);
}
for (const climb of profile.climbs || []) {
const startX = clamp(xForDistance(climb.startKm), plot.left, plot.right);
const endX = clamp(xForDistance(climb.endKm), plot.left, plot.right);
context.fillStyle = colors.accentFill;
context.fillRect(startX, plot.top, Math.max(endX - startX, 1), plot.bottom - plot.top);
const label = climb.name || `${climb.category} ${Math.round(climb.score)}`;
context.fillStyle = colors.climbLabel;
context.textAlign = "center";
context.textBaseline = "top";
context.fillText(label, clamp((startX + endX) / 2, plot.left + 24, plot.right - 24), plot.top + 4);
}
for (const crossing of profile.crossings || []) {
const x = xForDistance(crossing.distanceKm);
context.strokeStyle = colors.crossing;
context.lineWidth = 1;
context.setLineDash([4, 3]);
context.beginPath();
context.moveTo(x, plot.top);
context.lineTo(x, plot.bottom);
context.stroke();
context.setLineDash([]);
}
context.beginPath();
context.moveTo(xForDistance(points[0].distanceKm), plot.bottom);
for (const point of points) context.lineTo(xForDistance(point.distanceKm), yForElevation(point.elevationM));
context.lineTo(xForDistance(points[points.length - 1].distanceKm), plot.bottom);
context.closePath();
context.fillStyle = colors.accentFill;
context.fill();
context.beginPath();
for (let i = 0; i < points.length; i++) {
const point = points[i];
if (i === 0) context.moveTo(xForDistance(point.distanceKm), yForElevation(point.elevationM));
else context.lineTo(xForDistance(point.distanceKm), yForElevation(point.elevationM));
}
context.strokeStyle = colors.accent;
context.lineWidth = 2.5;
context.stroke();
for (const crossing of profile.crossings || []) {
const x = xForDistance(crossing.distanceKm);
const label = `${crossing.name} ${Math.round(crossing.passElevationM)} m`;
const labelWidth = context.measureText(label).width;
const labelX = clamp(x, plot.left + labelWidth / 2 + 3, plot.right - labelWidth / 2 - 3);
const labelY = plot.top - 6;
context.fillStyle = colors.plotSurfaceOverlay;
context.fillRect(labelX - labelWidth / 2 - 3, labelY - 15, labelWidth + 6, 16);
context.fillStyle = colors.crossingLabel;
context.textAlign = "center";
context.textBaseline = "bottom";
context.fillText(label, labelX, labelY);
}
context.fillStyle = colors.subtle;
context.textAlign = "center";
context.textBaseline = "top";
for (let step = 0; step <= 4; step++) {
const distance = minDistance + step / 4 * (maxDistance - minDistance);
context.fillText(formatDistance(distance), xForDistance(distance), plot.bottom + 10);
}
if (state.hoveredIndex >= 0) {
const point = points[state.hoveredIndex];
const x = xForDistance(point.distanceKm);
const y = yForElevation(point.elevationM);
context.strokeStyle = colors.hoverLine;
context.lineWidth = 1;
context.setLineDash([3, 3]);
context.beginPath();
context.moveTo(x, plot.top);
context.lineTo(x, plot.bottom);
context.stroke();
context.setLineDash([]);
context.fillStyle = colors.forest;
context.beginPath();
context.arc(x, y, 5, 0, 2 * Math.PI);
context.fill();
}
};
const clearHover = () => {
state.hoveredIndex = -1;
routeCursor.setStyle({ opacity: 0, fillOpacity: 0 });
hoverOutput.textContent = "Hover or focus the profile to inspect elevation.";
draw();
};
const showPoint = (index) => {
state.hoveredIndex = clamp(index, 0, points.length - 1);
const point = points[state.hoveredIndex];
routeCursor.setLatLng([point.latitude, point.longitude]);
routeCursor.setStyle({ opacity: 1, fillOpacity: 0.9 });
hoverOutput.textContent = `${formatDistance(point.distanceKm)} · ${formatElevation(point.elevationM)}`;
draw();
};
canvas.addEventListener("pointermove", (event) => {
if (!state.plot) return;
const rect = canvas.getBoundingClientRect();
const x = event.clientX - rect.left;
if (x < state.plot.left || x > state.plot.right) {
clearHover();
return;
}
const distance = minDistance + (x - state.plot.left) / (state.plot.right - state.plot.left) * (maxDistance - minDistance);
showPoint(nearestPointIndex(distance));
});
canvas.addEventListener("pointerleave", clearHover);
canvas.addEventListener("pointercancel", clearHover);
canvas.addEventListener("keydown", (event) => {
if (event.key !== "ArrowLeft" && event.key !== "ArrowRight") return;
event.preventDefault();
const direction = event.key === "ArrowRight" ? 1 : -1;
const index = state.hoveredIndex < 0 ? (direction > 0 ? 0 : points.length - 1) : state.hoveredIndex + direction;
showPoint(index);
});
window.addEventListener("resize", draw);
draw();
})();
</script>
}
}
templ SyncPage(data SyncPageData) {
@Layout("Sync Strava", SyncContent(data))
}
templ SyncContent(data SyncPageData) {
<p class="eyebrow">Data import</p>
<h1>Sync Strava rides</h1>
<p class="lead">Choose a date range. New rides are downloaded as GPX files and recorded in the local library.</p>
if data.Notice != "" {
<div id="sync-notice" class="notice">{ data.Notice }</div>
} else {
<div id="sync-notice" class="notice" hidden></div>
}
if data.Error != "" {
<div id="sync-error" class="error">{ data.Error }</div>
} else {
<div id="sync-error" class="error" hidden></div>
}
<section class="panel">
if !data.HasAuth {
<p>Strava authorization is required before the first sync.</p>
<a class="button secondary" href={ templ.URL("/strava/login?return_to=/sync") }>Authorize Strava</a>
} else {
<form id="sync-form" method="post" action="/sync">
<div class="form-row">
<label>From<input type="date" name="from" value={ data.From } required/></label>
<label>To<input type="date" name="to" value={ data.To } required/></label>
<button class="button" type="submit">Sync rides</button>
</div>
</form>
<div id="sync-progress" class="sync-progress" role="status" aria-live="polite" hidden>
<div class="progress-heading"><strong>Importing rides</strong><span id="sync-progress-count">0 / 0</span></div>
<progress id="sync-progress-bar" max="1" value="0" aria-label="Strava import progress"></progress>
<span id="sync-progress-details">0 imported · 0 skipped</span>
</div>
}
</section>
<script>
(() => {
const form = document.getElementById("sync-form");
if (!form) return;
const button = form.querySelector("button[type=submit]");
const progressPanel = document.getElementById("sync-progress");
const progressBar = document.getElementById("sync-progress-bar");
const progressCount = document.getElementById("sync-progress-count");
const progressDetails = document.getElementById("sync-progress-details");
const notice = document.getElementById("sync-notice");
const error = document.getElementById("sync-error");
const showError = (message) => {
error.textContent = message;
error.hidden = false;
};
const updateProgress = (progress) => {
progressPanel.hidden = false;
progressBar.max = Math.max(progress.total, 1);
progressBar.value = progress.completed;
progressCount.textContent = `${progress.completed} / ${progress.total}`;
progressDetails.textContent = `${progress.imported} imported · ${progress.skipped} skipped`;
};
const handleEvent = (eventName, data) => {
if (eventName === "progress") {
updateProgress(data);
return false;
}
if (eventName === "complete") {
updateProgress(data);
notice.textContent = `Sync complete: ${data.imported} imported, ${data.skipped} skipped.`;
notice.hidden = false;
return true;
}
if (eventName === "error") {
if (data.progress) updateProgress(data.progress);
throw new Error(data.message || "Strava sync failed");
}
return false;
};
const consumeEvents = async (response) => {
const reader = response.body.getReader();
const decoder = new TextDecoder();
let buffer = "";
let completed = false;
const consumeBlock = (block) => {
let eventName = "message";
let data = "";
for (const line of block.split(/\r?\n/)) {
if (line.startsWith("event: ")) eventName = line.slice(7);
if (line.startsWith("data: ")) data += line.slice(6);
}
if (data) completed = handleEvent(eventName, JSON.parse(data)) || completed;
};
while (true) {
const { value, done } = await reader.read();
buffer += decoder.decode(value || new Uint8Array(), { stream: !done });
const blocks = buffer.split(/\r?\n\r?\n/);
buffer = blocks.pop();
for (const block of blocks) consumeBlock(block);
if (done) break;
}
if (buffer.trim()) consumeBlock(buffer);
if (!completed) throw new Error("Strava sync ended before completion");
};
form.addEventListener("submit", async (event) => {
event.preventDefault();
button.disabled = true;
button.textContent = "Syncing...";
notice.hidden = true;
error.hidden = true;
progressPanel.hidden = false;
progressCount.textContent = "0 / 0";
progressDetails.textContent = "Preparing import...";
try {
const response = await fetch(form.action, {
method: "POST",
body: new FormData(form),
headers: { Accept: "text/event-stream" },
});
if (response.redirected) {
window.location.assign(response.url);
return;
}
if (!response.ok) throw new Error(await response.text() || `Sync failed (HTTP ${response.status})`);
if (!response.body) throw new Error("The browser does not support streaming responses");
await consumeEvents(response);
} catch (caught) {
showError(caught instanceof Error ? caught.message : "Strava sync failed");
} finally {
button.disabled = false;
button.textContent = "Sync rides";
}
});
})();
</script>
}
|