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mirror of https://github.com/osmarks/meme-search-engine.git synced 2024-11-10 22:09:54 +00:00
meme-search-engine/meme-rater/rater_server.py

129 lines
4.2 KiB
Python

from aiohttp import web
import aiosqlite
import asyncio
import random
import sys
PORT, DATABASE = sys.argv[1:]
app = web.Application(client_max_size=32*1024**2)
routes = web.RouteTableDef()
async def get_pair(db):
while True:
csr = await db.execute("SELECT * FROM queue")
row = await csr.fetchone()
await csr.close()
iteration = None
if row:
m1, m2, iteration = row
else:
filenames = [ x[0] for x in await db.execute_fetchall("SELECT filename FROM files", ()) ]
m1, m2 = tuple(sorted(random.sample(filenames, 2)))
csr = await db.execute("SELECT 1 FROM ratings WHERE meme1 = ? AND meme2 = ?", (m1, m2))
if not await csr.fetchone():
return m1, m2, iteration
@routes.get("/")
async def index(request):
meme1, meme2, iteration = await get_pair(request.app["db"])
return web.Response(text=f"""
<!DOCTYPE html>
<html>
<style>
.memes img {{
width: 45%;
}}
@media (max-width: 768px) {{
.memes img {{
width: 100%;
}}
}}
.memes {{
margin-top: 2em;
}}
</style>
<body>
<h1>Meme Rating</h1>
<form action="/rate" method="POST">
<input type="radio" name="rating" value="1" id="rating1"> <label for="rating1">Meme 1 is better</label>
<input type="radio" name="rating" value="2" id="rating2"> <label for="rating2">Meme 2 is better</label>
<input type="hidden" name="meme1" value="{meme1}">
<input type="hidden" name="meme2" value="{meme2}">
<input type="hidden" name="iteration" value="{str(iteration or 0)}">
<input type="submit" value="Submit">
<div class="memes">
<img src="/memes/{meme1}" id="meme1">
<img src="/memes/{meme2}" id="meme2">
</div>
</form>
<script>
document.addEventListener("keypress", function(event) {{
if (event.key === "1") {{
document.querySelector("input[name='rating'][value='1']").checked = true
document.querySelector("form").submit()
}} else if (event.key === "2") {{
document.querySelector("input[name='rating'][value='2']").checked = true
document.querySelector("form").submit()
}}
}});
document.querySelector("#meme1").addEventListener("click", function(event) {{
document.querySelector("input[name='rating'][value='1']").checked = true
document.querySelector("form").submit()
}})
document.querySelector("#meme2").addEventListener("click", function(event) {{
document.querySelector("input[name='rating'][value='2']").checked = true
document.querySelector("form").submit()
}})
</script>
</body>
</html>
""", content_type="text/html")
@routes.post("/rate")
async def rate(request):
db = request.app["db"]
post = await request.post()
meme1 = post["meme1"]
meme2 = post["meme2"]
iteration = post["iteration"]
rating = post["rating"]
await db.execute("INSERT INTO ratings (meme1, meme2, rating, iteration) VALUES (?, ?, ?, ?)", (meme1, meme2, rating, iteration))
await db.execute("DELETE FROM queue WHERE meme1 = ? AND meme2 = ?", (meme1, meme2))
await db.commit()
return web.HTTPFound("/")
async def main():
app["db"] = await aiosqlite.connect(DATABASE)
await app["db"].executescript("""
CREATE TABLE IF NOT EXISTS ratings (
meme1 TEXT NOT NULL,
meme2 TEXT NOT NULL,
rating TEXT NOT NULL,
iteration TEXT,
UNIQUE (meme1, meme2)
);
CREATE TABLE IF NOT EXISTS queue (
meme1 TEXT NOT NULL,
meme2 TEXT NOT NULL,
iteration TEXT NOT NULL,
UNIQUE (meme1, meme2, iteration)
);
""")
app.router.add_routes(routes)
app.router.add_static("/memes/", "./images")
print("Ready")
runner = web.AppRunner(app)
await runner.setup()
site = web.TCPSite(runner, "", int(PORT))
await site.start()
if __name__ == "__main__":
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
loop.run_until_complete(main())
loop.run_forever()