Files
crosspost/server/analysis/user.py

71 lines
2.6 KiB
Python

import pandas as pd
class UserAnalysis:
def top_users(self, df: pd.DataFrame) -> list:
counts = df.groupby(["author", "source"]).size().sort_values(ascending=False)
top_users = [
{"author": author, "source": source, "count": int(count)}
for (author, source), count in counts.items()
]
return top_users
def per_user_analysis(self, df: pd.DataFrame) -> dict:
per_user = df.groupby(["author", "type"]).size().unstack(fill_value=0)
emotion_cols = [col for col in df.columns if col.startswith("emotion_")]
avg_emotions_by_author = {}
if emotion_cols:
avg_emotions = df.groupby("author")[emotion_cols].mean().fillna(0.0)
avg_emotions_by_author = {
author: {emotion: float(score) for emotion, score in row.items()}
for author, row in avg_emotions.iterrows()
}
# ensure columns always exist
for col in ("post", "comment"):
if col not in per_user.columns:
per_user[col] = 0
per_user["comment_post_ratio"] = per_user["comment"] / per_user["post"].replace(
0, 1
)
per_user["comment_share"] = per_user["comment"] / (
per_user["post"] + per_user["comment"]
).replace(0, 1)
per_user = per_user.sort_values("comment_post_ratio", ascending=True)
per_user_records = per_user.reset_index().to_dict(orient="records")
vocab_rows = self._vocab_richness_per_user(df)
vocab_by_author = {row["author"]: row for row in vocab_rows}
# merge vocab richness + per_user information
merged_users = []
for row in per_user_records:
author = row["author"]
merged_users.append(
{
"author": author,
"post": int(row.get("post", 0)),
"comment": int(row.get("comment", 0)),
"comment_post_ratio": float(row.get("comment_post_ratio", 0)),
"comment_share": float(row.get("comment_share", 0)),
"avg_emotions": avg_emotions_by_author.get(author, {}),
"vocab": vocab_by_author.get(
author,
{
"vocab_richness": 0,
"avg_words_per_event": 0,
"top_words": [],
},
),
}
)
merged_users.sort(key=lambda u: u["comment_post_ratio"])
return merged_users