Accelerate with copilot

requirements.txt

@@ -1,2 +1,6 @@
 fastapi
 uvicorn
+
+# Test dependencies
+pytest
+httpx

src/app.py

@@ -1,3 +1,4 @@
+
 """
 High School Management System API
 
@@ -38,6 +39,45 @@
         "schedule": "Mondays, Wednesdays, Fridays, 2:00 PM - 3:00 PM",
         "max_participants": 30,
         "participants": ["[email protected]", "[email protected]"]
+    },
+    # Sports-related activities
+    "Soccer Team": {
+        "description": "Join the school soccer team for practices and matches",
+        "schedule": "Mondays, Wednesdays, 4:30 PM - 6:00 PM",
+        "max_participants": 22,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    "Basketball Club": {
+        "description": "Pickup games and skill development for all levels",
+        "schedule": "Tuesdays, Thursdays, 5:00 PM - 6:30 PM",
+        "max_participants": 18,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    # Artistic activities
+    "Art Club": {
+        "description": "Explore drawing, painting, and mixed media projects",
+        "schedule": "Wednesdays, 3:30 PM - 5:00 PM",
+        "max_participants": 16,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    "Music Ensemble": {
+        "description": "Practice and perform ensemble pieces across genres",
+        "schedule": "Fridays, 4:00 PM - 6:00 PM",
+        "max_participants": 25,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    # Intellectual activities
+    "Debate Team": {
+        "description": "Develop public speaking and argumentation skills; compete in tournaments",
+        "schedule": "Thursdays, 3:30 PM - 5:00 PM",
+        "max_participants": 14,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    "Robotics Club": {
+        "description": "Design, build, and program robots for competitions and projects",
+        "schedule": "Tuesdays, 4:00 PM - 6:00 PM",
+        "max_participants": 12,
+        "participants": ["[email protected]", "[email protected]"]
     }
 }
 
@@ -61,7 +101,22 @@ def signup_for_activity(activity_name: str, email: str):
 
     # Get the specific activity
     activity = activities[activity_name]
-
+
+# Validate student is not already signed up
+    if email in activity["participants"]:
+        raise HTTPException(status_code=400, detail="Student already signed up for this activity")
     # Add student
     activity["participants"].append(email)
     return {"message": f"Signed up {email} for {activity_name}"}
+
+
+@app.post("/activities/{activity_name}/unregister")
+def unregister_from_activity(activity_name: str, email: str):
+    """Remove a student from an activity"""
+    if activity_name not in activities:
+        raise HTTPException(status_code=404, detail="Activity not found")
+    activity = activities[activity_name]
+    if email not in activity["participants"]:
+        raise HTTPException(status_code=400, detail="Student is not registered for this activity")
+    activity["participants"].remove(email)
+    return {"message": f"Removed {email} from {activity_name}"}

src/static/app.js

@@ -4,6 +4,20 @@ document.addEventListener("DOMContentLoaded", () => {
   const signupForm = document.getElementById("signup-form");
   const messageDiv = document.getElementById("message");
 
+  // Function to create a display name and initials from an email or name
+  function nameFromIdentifier(id) {
+    if (!id) return { display: "Unknown", initials: "?" };
+    // if it's an email, use part before @
+    const raw = id.includes("@") ? id.split("@")[0] : id;
+    // replace dots/underscores with spaces and split to words
+    const parts = raw.replace(/[._\-]+/g, " ").split(" ").filter(Boolean);
+    const display = parts.map(p => p.charAt(0).toUpperCase() + p.slice(1)).join(" ");
+    const initials = parts.length === 1
+      ? parts[0].substring(0, 2).toUpperCase()
+      : (parts[0][0] + parts[parts.length - 1][0]).toUpperCase();
+    return { display: display || raw, initials };
+  }
+
   // Function to fetch activities from API
   async function fetchActivities() {
     try {
@@ -13,20 +27,90 @@ document.addEventListener("DOMContentLoaded", () => {
       // Clear loading message
       activitiesList.innerHTML = "";
 
+      // Reset select (keep placeholder if present)
+      const placeholderOption = activitySelect.querySelector('option[value=""]');
+      activitySelect.innerHTML = "";
+      if (placeholderOption) {
+        activitySelect.appendChild(placeholderOption);
+      } else {
+        // ensure a default placeholder exists
+        const opt = document.createElement("option");
+        opt.value = "";
+        opt.textContent = "-- Select an activity --";
+        activitySelect.appendChild(opt);
+      }
+
       // Populate activities list
       Object.entries(activities).forEach(([name, details]) => {
         const activityCard = document.createElement("div");
         activityCard.className = "activity-card";
 
-        const spotsLeft = details.max_participants - details.participants.length;
+        const spotsLeft = details.max_participants - (details.participants?.length || 0);
 
-        activityCard.innerHTML = `
+        // Basic info
+        const infoHtml = `
           <h4>${name}</h4>
-          <p>${details.description}</p>
-          <p><strong>Schedule:</strong> ${details.schedule}</p>
+          <p>${details.description || ""}</p>
+          <p><strong>Schedule:</strong> ${details.schedule || "TBA"}</p>
           <p><strong>Availability:</strong> ${spotsLeft} spots left</p>
         `;
+        activityCard.innerHTML = infoHtml;
+
+        // Participants section
+        const participantsDiv = document.createElement("div");
+        participantsDiv.className = "participants";
+        participantsDiv.setAttribute("aria-label", `Participants for ${name}`);
+
+        const title = document.createElement("h5");
+        title.textContent = "Participants";
+        participantsDiv.appendChild(title);
+
+        const participants = details.participants || [];
+
+        if (participants.length === 0) {
+          const none = document.createElement("p");
+          none.className = "info";
+          none.textContent = "No participants yet";
+          participantsDiv.appendChild(none);
+        } else {
+          const list = document.createElement("ul");
+          list.style.listStyle = "none";
+          list.style.padding = "0";
+          participants.forEach((p) => {
+            const { display, initials } = nameFromIdentifier(p);
+            const li = document.createElement("li");
+
+            const span = document.createElement("span");
+            span.className = "participant-initials";
+            span.textContent = initials;
+
+            li.appendChild(span);
+            li.appendChild(document.createTextNode(" " + display));
+
+            // Add delete icon
+            const delBtn = document.createElement("button");
+            delBtn.className = "delete-participant";
+            delBtn.title = "Remove participant";
+            delBtn.innerHTML = "&#128465;"; // trash can icon
+            delBtn.style.marginLeft = "8px";
+            delBtn.style.background = "none";
+            delBtn.style.border = "none";
+            delBtn.style.cursor = "pointer";
+            delBtn.style.color = "#c62828";
+            delBtn.style.fontSize = "15px";
+            delBtn.setAttribute("aria-label", `Remove ${display}`);
+            delBtn.addEventListener("click", (e) => {
+              e.stopPropagation();
+              unregisterParticipant(name, p);
+            });
+            li.appendChild(delBtn);
+
+            list.appendChild(li);
+          });
+          participantsDiv.appendChild(list);
+        }
 
+        activityCard.appendChild(participantsDiv);
         activitiesList.appendChild(activityCard);
 
         // Add option to select dropdown
@@ -62,6 +146,8 @@ document.addEventListener("DOMContentLoaded", () => {
         messageDiv.textContent = result.message;
         messageDiv.className = "success";
         signupForm.reset();
+        // Refresh activities to show updated participants & availability
+        await fetchActivities();
       } else {
         messageDiv.textContent = result.detail || "An error occurred";
         messageDiv.className = "error";
@@ -83,4 +169,30 @@ document.addEventListener("DOMContentLoaded", () => {
 
   // Initialize app
   fetchActivities();
+  // Unregister participant function
+  async function unregisterParticipant(activityName, participantId) {
+    if (!confirm("Are you sure you want to remove this participant?")) return;
+    try {
+      const response = await fetch(`/activities/${encodeURIComponent(activityName)}/unregister?email=${encodeURIComponent(participantId)}`, {
+        method: "POST"
+      });
+      const result = await response.json();
+      if (response.ok) {
+        messageDiv.textContent = result.message || "Participant removed.";
+        messageDiv.className = "success";
+        await fetchActivities();
+      } else {
+        messageDiv.textContent = result.detail || "Failed to remove participant.";
+        messageDiv.className = "error";
+      }
+      messageDiv.classList.remove("hidden");
+      setTimeout(() => messageDiv.classList.add("hidden"), 5000);
+    } catch (error) {
+      messageDiv.textContent = "Error removing participant.";
+      messageDiv.className = "error";
+      messageDiv.classList.remove("hidden");
+      setTimeout(() => messageDiv.classList.add("hidden"), 5000);
+      console.error("Error unregistering participant:", error);
+    }
+  }
 });

src/static/index.html

@@ -39,6 +39,47 @@ <h3>Sign Up for an Activity</h3>
         </form>
         <div id="message" class="hidden"></div>
       </section>
+
+      <section id="example-activities">
+        <h3>Example Activities</h3>
+        <div class="activity-card">
+          <h4>Morning Hike</h4>
+          <p>Saturday, 8:00 AM · Easy</p>
+
+          <div class="participants" aria-label="Participants for Morning Hike">
+            <h5>Participants</h5>
+            <ul>
+              <li>
+                <span class="participant-initials">AL</span>
+                Alice
+              </li>
+              <li>
+                <img class="participant-avatar" src="https://via.placeholder.com/22" alt="Bob's avatar" />
+                Bob
+              </li>
+              <li>
+                <span class="participant-initials">CM</span>
+                Casey
+              </li>
+            </ul>
+          </div>
+        </div>
+
+        <div class="activity-card">
+          <h4>Photography Walk</h4>
+          <p>Sunday, 4:00 PM · Photo tips included</p>
+
+          <div class="participants" aria-label="Participants for Photography Walk">
+            <h5>Participants</h5>
+            <ul>
+              <li><span class="participant-initials">EM</span> Emma</li>
+              <li><span class="participant-initials">RK</span> Raj</li>
+              <li><span class="participant-initials">SO</span> Simone</li>
+              <li><span class="participant-initials">+3</span> More</li>
+            </ul>
+          </div>
+        </div>
+      </section>
     </main>
 
     <footer>

src/static/styles.css

@@ -63,6 +63,7 @@ section h3 {
   border: 1px solid #ddd;
   border-radius: 5px;
   background-color: #f9f9f9;
+  padding-bottom: 18px;
 }
 
 .activity-card h4 {
@@ -74,6 +75,90 @@ section h3 {
   margin-bottom: 8px;
 }
 
+.activity-card .participants ul {
+.activity-card .participants ul {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  padding: 0;
+  margin: 0;
+  list-style: none;
+}
+.activity-card .participants li {
+  position: relative;
+}
+
+
+button.delete-participant {
+  margin-left: 8px;
+  background: none;
+  border: none;
+  cursor: pointer;
+  color: #c62828;
+  font-size: 15px;
+  padding: 0 2px;
+  vertical-align: middle;
+}
+button.delete-participant:hover {
+  color: #a31515;
+}
+.activity-card .participants ul li::before {
+  display: none !important;
+}
+
+.activity-card .participants ul {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  padding: 0;
+  margin: 0;
+  list-style: none;
+}
+
+.activity-card .participants li {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  background: linear-gradient(180deg,#f7f9ff 0%,#eef3ff 100%);
+  color: #0d1b6f;
+  padding: 6px 10px;
+  border-radius: 16px;
+  font-size: 13px;
+  border: 1px solid #e0e8ff;
+}
+
+/* decorative bullet so the participants list reads as a bulleted list but keeps the pill look */
+.activity-card .participants li::before {
+  content: "";
+  width: 8px;
+  height: 8px;
+  background: #1a237e;
+  border-radius: 50%;
+  display: inline-block;
+  margin-right: 6px;
+}
+
+.activity-card .participants img.participant-avatar {
+  width: 22px;
+  height: 22px;
+  border-radius: 50%;
+  object-fit: cover;
+  border: 1px solid rgba(0,0,0,0.05);
+}
+
+.activity-card .participants .participant-initials {
+  width: 22px;
+  height: 22px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 50%;
+  background: #dbe7ff;
+  color: #0d1b6f;
+  font-size: 12px;
+  font-weight: 700;
+}
+
 .form-group {
   margin-bottom: 15px;
 }
@@ -142,3 +227,11 @@ footer {
   padding: 20px;
   color: #666;
 }
+
+/* more compact pills on very small screens */
+@media (max-width: 420px) {
+  .activity-card .participants li {
+    padding: 5px 8px;
+    font-size: 12px;
+  }
+}