New App: OS Runescape Grand Exchange

apps/runescape/manifest.yaml

@@ -0,0 +1,8 @@
+---
+id: runescape
+name: OSRS Exchange
+summary: OS Runescape GE Item Info
+desc: Shows item information from Runescape using the Runescape API.
+author: blakekwehrle
+fileName: runescape.star
+packageName: runescape

apps/runescape/runescape.star

@@ -0,0 +1,127 @@
+"""
+Applet: OS Runescape Grand Exchange
+Summary: Shows item information from OSRS's Grand Exchange
+Description: Shows item information from Runescape using the Runescape API.
+Author: blakekwehrle
+"""
+
+load("cache.star", "cache")
+load("encoding/base64.star", "base64")
+load("encoding/json.star", "json")
+load("http.star", "http")
+load("random.star", "random")
+load("render.star", "render")
+
+CACHE_TTL_SECONDS = 36604800  # 7 days in seconds.
+RUNESCAPEAPI_ITEMLIST_URL = "https://secure.runescape.com/m=itemdb_oldschool/api/catalogue/items.json?category=1&alpha={0}&page={1}"
+PAGE_LENGTH_BY_LETTER = {
+    "a": 30,
+    "b": 40,
+    "c": 16,
+    "d": 20,
+    "e": 11,
+    "f": 8,
+    "g": 18,
+    "h": 5,
+    "i": 10,
+    "j": 4,
+    "k": 4,
+    "l": 7,
+    "m": 25,
+    "n": 3,
+    "o": 9,
+    "p": 13,
+    "r": 25,
+    "s": 44,
+    "t": 22,
+    "u": 5,
+    "v": 5,
+    "w": 11,
+    "x": 1,
+    "y": 3,
+    "z": 5,
+}
+
+UP_CARROT_ICON = base64.decode("""R0lGODdhBgAFAHcAACH/C05FVFNDQVBFMi4wAwEAAAAh+QQFQAAAACwAAAAABgAFAIEAAABZwTXW8mQAAAACCQRkJoEX35KMBQAh+QQJQAAAACwAAAAABgAFAIEAAABZwTXW8mQAAAACCQRkJoEX35KMBQAh+QQFQAAAACwAAAAABgAFAIEAAABZwTXW8mQAAAACCoQiYMGp/5w6rgAAIfkECUAAAAAsAAAAAAYABQCBAAAAWcE11vJkAAAAAgqEImDBqf+cOq4AACH5BAVAAAAALAAAAAAGAAUAgQAAAFnBNdbyZAAAAAIJVC6gu9nhDAIFACH5BAlAAAAALAAAAAAGAAUAgQAAAFnBNdbyZAAAAAIJVC6gu9nhDAIFACH5BAVAAAAALAAAAAAGAAUAgQAAAFnBNdbyZAAAAAIJhG+CEgocGjoFACH5BAlAAAAALAAAAAAGAAUAgQAAAFnBNdbyZAAAAAIJhG+CEgocGjoFADs=""")
+DOWN_CARROT_ICON = base64.decode("""R0lGODdhBgAFAHcAACH/C05FVFNDQVBFMi4wAwEAAAAh+QQFBQAAACwAAAAABgAFAIEAAADuCwv4cHAAAAACCIQvoWLJeKIpACH5BAkFAAAALAAAAAAGAAUAgQAAAO4LC/hwcAAAAAIIhC+hYsl4oikAIfkEBQUAAAAsAAAAAAYABQCBAAAA7gsL+HBwAAAAAgkEZKkSjReekQUAIfkECQUAAAAsAAAAAAYABQCBAAAA7gsL+HBwAAAAAgkEZKkSjReekQUAIfkEBQUAAAAsAAAAAAYABQCBAAAA7gsL+HBwAAAAAgqEIqC2rRfQk6AAACH5BAkFAAAALAAAAAAGAAUAgQAAAO4LC/hwcAAAAAIKhCKgtq0X0JOgAAAh+QQFBQAAACwAAAAABgAFAIEAAADuCwv4cHAAAAACClQuAJa6DpVBoAAAIfkECQUAAAAsAAAAAAYABQCBAAAA7gsL+HBwAAAAAgpULgCWug6VQaAAADs=""")
+LINE_ICON = base64.decode("""R0lGODdhBgAFAHcAACH/C05FVFNDQVBFMi4wAwEAAAAh+QQFCgAAACwAAAAABgAFAIAAAABw2O4CCIQPoRbXCE8BACH5BAkKAAAALAAAAAAGAAUAgAAAAHDY7gIIhA+hFtcITwEAIfkEBQoAAAAsAAAAAAYABQCAAAAAcNjuAgeEb6Gw6F8AACH5BAkKAAAALAAAAAAGAAUAgAAAAHDY7gIHhG+hsOhfAAAh+QQFCgAAACwAAAAABgAFAIAAAABw2O4CB4R/EaaJbwoAIfkECQoAAAAsAAAAAAYABQCAAAAAcNjuAgeEfxGmiW8KACH5BAUKAAAALAAAAAAGAAUAgAAAAHDY7gIIhI9xocAIQQEAIfkECQoAAAAsAAAAAAYABQCAAAAAcNjuAgiEj3GhwAhBAQAh+QQFCgAAACwAAAAABgAFAIAAAABw2O4CB4SPGQHLeQoAIfkECQoAAAAsAAAAAAYABQCAAAAAcNjuAgeEjxkBy3kKACH5BAUKAAAALAAAAAAGAAUAgAAAAHDY7gIIhI8WtxCfTgEAIfkECQoAAAAsAAAAAAYABQCAAAAAcNjuAgiEjxa3EJ9OAQAh+QQFCgAAACwAAAAABgAFAIAAAABw2O4CB4SPFpGw3AoAIfkECQoAAAAsAAAAAAYABQCAAAAAcNjuAgeEjxaRsNwKACH5BAUKAAAALAAAAAAGAAUAgAAAAHDY7gIHhB+HqRDcCgAh+QQJCgAAACwAAAAABgAFAIAAAABw2O4CB4Qfh6kQ3AoAIfkEBQoAAAAsAAAAAAYABQCAAAAAcNjuAgeEH3GoC+0KACH5BAkKAAAALAAAAAAGAAUAgAAAAHDY7gIHhB9xqAvtCgAh+QQFCgAAACwAAAAABgAFAIAAAABw2O4CB4QfeRjrWwAAIfkECQoAAAAsAAAAAAYABQCAAAAAcNjuAgeEH3kY61sAADs=""")
+
+def main():
+    random_letter = "abcdefghijklmnoprstuvwxyz"[pick_letter()]
+    item_list = get_item_list(random_letter)
+    number_of_items = len(item_list["items"])
+    random_item_index = random.number(0, number_of_items - 1)
+    item_name = item_list["items"][random_item_index]["name"]
+    item_trend = item_list["items"][random_item_index]["today"]["trend"]
+    item_price = str(item_list["items"][random_item_index]["current"]["price"]) + " gp"
+    sprite_url = item_list["items"][random_item_index]["icon"]
+    sprite = get_cachable_data(sprite_url)
+    if (item_trend == "positive"):
+        selected_image = UP_CARROT_ICON
+    elif (item_trend == "neutral"):
+        selected_image = DOWN_CARROT_ICON
+    else:
+        selected_image = LINE_ICON
+    return render.Root(
+        child = render.Stack(
+            children = [
+                render.Row(
+                    children = [
+                        render.Box(width = 32),
+                        render.Box(render.Image(sprite)),
+                    ],
+                ),
+                render.Column(
+                    children = [
+                        render.WrappedText(
+                            content = item_name,
+                            width = 64,
+                            font = "tom-thumb",
+                        ),
+                        render.Row(
+                            main_align = "space_between",
+                            cross_align = "center",
+                            children = [
+                                render.Image(src = selected_image),
+                                render.WrappedText(
+                                    content = item_price,
+                                    width = 64,
+                                    font = "tom-thumb",
+                                ),
+                            ],
+                        ),
+                    ],
+                ),
+            ],
+        ),
+    )
+
+def pick_letter():
+    random_page_index = random.number(0, 344)
+    mySum = 0
+    for index, pageCount in enumerate(PAGE_LENGTH_BY_LETTER.values()):
+        if random_page_index < mySum:
+            return index
+        else:
+            mySum += pageCount
+    return 0
+
+def get_item_list(letter):
+    url = RUNESCAPEAPI_ITEMLIST_URL.format(letter, random.number(0, PAGE_LENGTH_BY_LETTER[letter]))
+    data = get_cachable_data(url)
+    return json.decode(data)
+
+def get_cachable_data(url, ttl_seconds = CACHE_TTL_SECONDS):
+    key = base64.encode(url)
+
+    data = cache.get(key)
+    if data != None:
+        return base64.decode(data)
+
+    res = http.get(url = url)
+    if res.status_code != 200:
+        fail("request to %s failed with status code: %d - %s" % (url, res.status_code, res.body()))
+
+    cache.set(key, base64.encode(res.body()), ttl_seconds = ttl_seconds)
+
+    return res.body()