assignment-3-jicnic/static/js/api_calls.js

//static/js/api_calls.js
let fake_local_session = { username: 'nobody' };

let fake_local_votesdata = [
  {
    date: "2024-04-01",
    votes: {
      'who': "yes",
      'what': "no",
    },
  },
  {
    date: "2024-04-02",
    votes: {
      'what': "no",
      'when': "yes",
      'where': "yes",
    },
  },
  {
    date: "2024-04-03",
    votes: {
      'how': "no",
      'random': Math.random() < 0.5 ? "no" : "yes",
    },
  },
]


//////  This line, and everything above this line, should be deleted when you get the AJAX working.  Really.






async function getSessionFromBackend() {
  try {
    const response = await axios.get('/api/v1/getSession');
    return response.data;
  } catch (error) {
    console.error('Error fetching session from backend:', error);
    return { success: false, data: null, error: error.toString() };
  }
}

async function getVotesFromBackend() {
  try {
    const response = await axios.get('/api/v1/votes/list');
    return response.data;
  } catch (error) {
    console.error('Error fetching votes from backend:', error);
    return { success: false, data: null, error: error.toString() };
  }
}






async function setMyVote(day, vote) {
  // this is a placeholder.  rewrite it completely.  (you can ignore this for Pass tier)
  if (!fake_local_session) return false;
  let me = fake_local_session.username;
  let dayofvotes = fake_local_votesdata.filter(vd => vd.date === day)[0];
  if (!me || !dayofvotes) return false;
  if (vote === 'maybe') {
    delete dayofvotes.votes[me];
  } else {
    dayofvotes.votes[me] = vote;
  }
  return { success: true };
}






async function ajaxSignup(username, password) {
  try {
    const response = await axios.post('/api/v1/signup', { username, password });
    return response.data;
  } catch (error) {
    console.error('Error signing up:', error);
    return { success: false, error: error.toString() };
  }
}


async function ajaxLogin(username, password) {
  try {
    const response = await axios.post('/api/v1/login', { username, password });
    return response.data;
  } catch (error) {
    console.error('Error logging in:', error);
    return { success: false, error: error.toString() };
  }
}

async function ajaxLogout() {
  try {
    const response = await axios.post('/api/v1/logout');
    return response.data;
  } catch (error) {
    console.error('Error logging out:', error);
    return { success: false, error: error.toString() };
  }
}

async function getWeather(lat, lon) {
  try {
    const response = await axios.get("/api/v1/weather", {
      params: {
        lat: lat,
        lon: lon,
      },
    });
    return response.data;
  } catch (error) {
    console.error("Failed to fetch weather data:", error);
    return { success: false, error: "Failed to fetch weather data" };
  }
}

function fetchWeatherForCurrentLocation() {
  return new Promise((resolve, reject) => {
    if ("geolocation" in navigator) {
      navigator.geolocation.getCurrentPosition(
        async (position) => {
          const lat = position.coords.latitude;
          const lon = position.coords.longitude;
          try {
            const weatherData = await getWeather(lat, lon);
            if (weatherData.success) {
              console.log("Weather data:", weatherData.data);
              resolve(weatherData);
            } else {
              reject("Failed to fetch weather data");
            }
          } catch (error) {
            reject(error);
          }
        },
        (error) => {
          console.error("Error getting location:", error);
          reject("Error getting location");
        }
      );
    } else {
      console.error("Geolocation is not supported by this browser.");
      reject("Geolocation is not supported by this browser.");
    }
  });
}