feat: Add toggle for filtering results to first ever buy

index.html

@@ -29,7 +29,7 @@
     <div class="col s12 m5">
       <div class="card-panel z-depth-0">
         <span>
-          To use, enter as much data as you can from <b>your own island</b>. If you bought from Daisy on your own island <b>for the first time this week</b> leave the buy price blank. The tool will figure out all possible patterns and predict the lowest and highest prices for each day.
+          To use, enter as much data as you can from <b>your own island</b>. The tool will figure out all possible patterns and predict the lowest and highest prices for each day.
           <p />
           I couldn't have done this without <a href="https://twitter.com/_Ninji/status/1244818665851289602?s=20">Ninji's work extracting the code</a>
           <p />
@@ -38,11 +38,30 @@
       </div>
     </div>
     <div class="row">
-      <div class="col s2">
+      <div class="col s12">
         <h5>Daisy Mae</h5>
-        <div class="input-field">
-          <label for="buy">Buy price</label>
-          <input type="number" id="buy">
+        <div class="row">
+          <div class="col s2">
+            <div class="input-field">
+              <label for="buy">Buy price</label>
+              <input type="number" id="buy">
+            </div>
+          </div>
+          <div class="col s2">
+            <div class="input-field">
+              <label>
+                <input id="first_buy" type="checkbox" class="filled-in" />
+                <span>First time buyer</span>
+              </label>
+            </div>
+          </div>
+          <div class="col s6">
+            <div class="input-field">
+              <span>
+                Check this box if you bought from Daisy on your own island <b>for the first time ever</b>. If you bought from her on your own island in a previous week, leave this box unchecked.
+              </span>
+            </div>
+          </div>
         </div>
       </div>
     </div>

js/predictions.js

@@ -285,7 +285,7 @@ function* generate_pattern_1_with_peak(given_prices, peak_start) {
     });
   }
   yield {
-    pattern_description: "decreasing, high spike, random lows",
+    pattern_description: "decreasing middle, high spike, random low",
     pattern_number: 1,
     prices: predicted_prices
   };
@@ -351,7 +351,7 @@ function* generate_pattern_2(given_prices) {
     max_rate -= 300;
   }
   yield {
-    pattern_description: "always decreasing",
+    pattern_description: "consistently decreasing",
     pattern_number: 2,
     prices: predicted_prices
   };
@@ -543,26 +543,29 @@ function* generate_pattern_3(given_prices) {
   }
 }
 
-
-function* generate_possibilities(sell_prices) {
-  if (!isNaN(sell_prices[0])) {
+function* generate_possibilities(sell_prices, first_buy) {
+  if (first_buy || isNaN(sell_prices[0])) {
+    for (var buy_price = 90; buy_price <= 110; buy_price++) {
+      sell_prices[0] = sell_prices[1] = buy_price;
+      if (first_buy) {
+        yield* generate_pattern_3(sell_prices);
+      } else {
+        yield* generate_pattern_0(sell_prices);
+        yield* generate_pattern_1(sell_prices);
+        yield* generate_pattern_2(sell_prices);
+        yield* generate_pattern_3(sell_prices);
+      }
+    }
+  } else {
     yield* generate_pattern_0(sell_prices);
     yield* generate_pattern_1(sell_prices);
     yield* generate_pattern_2(sell_prices);
     yield* generate_pattern_3(sell_prices);
-  } else {
-    for (var buy_price = 90; buy_price <= 110; buy_price++) {
-      sell_prices[0] = sell_prices[1] = buy_price;
-      yield* generate_pattern_0(sell_prices);
-      yield* generate_pattern_1(sell_prices);
-      yield* generate_pattern_2(sell_prices);
-      yield* generate_pattern_3(sell_prices);
-    }
   }
 }
 
-function analyze_possibilities(sell_prices) {
-  generated_possibilities = Array.from(generate_possibilities(sell_prices));
+function analyze_possibilities(sell_prices, first_buy) {
+  generated_possibilities = Array.from(generate_possibilities(sell_prices, first_buy));
 
   global_min_max = [];
   for (var day = 0; day < 14; day++) {

js/scripts.js

@@ -9,10 +9,12 @@ const getSellFields = function () {
 
 const sell_inputs = getSellFields()
 const buy_input = $("#buy")
-
+const first_buy_field = $("#first_buy");
 
 //Functions
-const fillFields = function (prices) {
+const fillFields = function (prices, first_buy) {
+  first_buy_field.prop("checked", first_buy);
+
   buy_input.focus();
   buy_input.val(prices[0] || '')
   buy_input.blur();
@@ -33,11 +35,11 @@ const fillFields = function (prices) {
 const initialize = function () {
   try {
     const prices = getPrices()
-    console.log("Prices from Storage", prices)
+    const first_buy = getFirstBuyState();
     if (prices === null) {
-      return
+      fillFields([], first_buy)
     } else {
-      fillFields(prices)
+      fillFields(prices, first_buy)
     }
     $(document).trigger("input");
   } catch (e) {
@@ -45,14 +47,16 @@ const initialize = function () {
   }
 
   $("#reset").on("click", function () {
+    first_buy_field.prop('checked', false);
     $("input").val(null).trigger("input");
   })
 }
 
-const updateLocalStorage = function (data) {
+const updateLocalStorage = function (prices, first_buy) {
   try {
-    if (data.length !== 14) throw "The data array needs exactly 14 elements to be valid"
-    localStorage.setItem("sell_prices", JSON.stringify(data))
+    if (prices.length !== 14) throw "The data array needs exactly 14 elements to be valid"
+    localStorage.setItem("sell_prices", JSON.stringify(prices))
+    localStorage.setItem("first_buy", JSON.stringify(first_buy));
   } catch (e) {
     console.error(e)
   }
@@ -63,6 +67,10 @@ const isEmpty = function (arr) {
   return filtered.length == 0
 }
 
+const getFirstBuyState = function () {
+  return JSON.parse(localStorage.getItem('first_buy'))
+}
+
 const getPrices = function () {
   let prices = JSON.parse(localStorage.getItem("sell_prices"))
   if (!prices || isEmpty(prices) || prices.length !== 14) {
@@ -79,13 +87,13 @@ const getSellPrices = function () {
   })
 }
 
-const calculateOutput = function (data) {
+const calculateOutput = function (data, first_buy) {
   if (isEmpty(data)) {
     $("#output").html("");
     return;
   }
   let output_possibilities = "";
-  for (let poss of analyze_possibilities(data)) {
+  for (let poss of analyze_possibilities(data, first_buy)) {
     var out_line = "<tr><td>" + poss.pattern_description + "</td>"
     for (let day of poss.prices.slice(1)) {
       if (day.min !== day.max) {
@@ -104,9 +112,13 @@ const calculateOutput = function (data) {
 const update = function () {
   const sell_prices = getSellPrices();
   const buy_price = parseInt(buy_input.val());
-  const data = [buy_price, buy_price, ...sell_prices];
-  updateLocalStorage(data);
-  calculateOutput(data);
+  const first_buy = first_buy_field.is(":checked");
+
+  buy_input.prop('disabled', first_buy);
+
+  const prices = [buy_price, buy_price, ...sell_prices];
+  updateLocalStorage(prices, first_buy);
+  calculateOutput(prices, first_buy);
 }
 
 $(document).ready(initialize);