generated from coulomb/repo-seed
tegwick
0a38def5a5
Add file-based Bubble, Stripe, and OpenRouter importers; usage attribution, cost allocation, pricing simulator, credit wallets, and recommendations in the dashboard API. Document whynot-design UI workflow and archive the finished workplan with all ten tasks marked done.
48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
from __future__ import annotations
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from .models import MembershipRecord
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def _period_prefix(date: str | None) -> str | None:
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if not date or len(date) < 7:
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return None
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return date[:7]
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def build_membership_analytics(
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members: list[MembershipRecord],
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period: str,
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history: list[str],
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) -> dict:
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active = sum(1 for member in members if member.status == "active")
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new_members = sum(1 for member in members if _period_prefix(member.joined_at) == period)
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churned = sum(1 for member in members if _period_prefix(member.churned_at) == period)
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prior_period = None
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sorted_periods = sorted(history)
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if period in sorted_periods:
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index = sorted_periods.index(period)
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if index > 0:
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prior_period = sorted_periods[index - 1]
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prior_active = active
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if prior_period:
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prior_active = sum(
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1
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for member in members
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if member.status == "active" and _period_prefix(member.joined_at) <= prior_period
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)
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growth_rate = None
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if prior_active:
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growth_rate = round(((active - prior_active) / prior_active) * 100, 1)
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return {
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"period": period,
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"total_members": len(members),
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"active_members": active,
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"new_members": new_members,
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"churned_members": churned,
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"growth_rate_pct": growth_rate,
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"snapshot_source": "membership.json",
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} |