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Lakes41 merged 2 commits into from
Jul 29, 2026
Merged

Add Governance module: proposals, weighted voting, feature-gated UI #357

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b593d6c
Add Governance module: proposals, weighted voting, feature-gated UI
Six2world Jul 28, 2026
c411332
Merge branch 'main' into governance-module-frontend
Lakes41 Jul 29, 2026
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314 changes: 314 additions & 0 deletions app/[communitySlug]/governance/[proposalId]/page.tsx
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Original file line number Diff line number Diff line change
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'use client';

import { useParams, useRouter } from 'next/navigation';
import { useAccount } from 'wagmi';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { getApi } from '@/lib/api';
import { queryKeys } from '@/lib/query';
import { FeatureGate } from '@/components/feature-gate';
import { features } from '@/lib/features';
import { LoadingState, ErrorState, EmptyState, safeErrorMessage } from '@/components/ui/api-states';
import { Button } from '@/components/ui/button';
import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
import { ProposalStatusBadge } from '../proposal-status-badge';
import { useSiweAuth } from '@/lib/wallet/providers';
import { VoteChoice } from '@/lib/api/types';
import { useState } from 'react';

export default function ProposalDetailPage() {
const params = useParams() as { communitySlug?: string; proposalId: string };
const communitySlug = params.communitySlug || 'guildpass-demo';
const proposalId = params.proposalId;
const router = useRouter();
const { address } = useAccount();
const { session } = useSiweAuth();
const queryClient = useQueryClient();
const [selectedVote, setSelectedVote] = useState<VoteChoice | null>(null);

const isAdmin = session?.roles?.includes('admin') ?? false;

const {
data: proposal,
isLoading: proposalLoading,
error: proposalError,
refetch: refetchProposal,
} = useQuery({
queryKey: queryKeys.governance.detail(proposalId),
queryFn: () => getApi(address, session?.token, communitySlug).getProposal(proposalId),
enabled: !!address && !!proposalId,
});

const { data: memberVote } = useQuery({
queryKey: queryKeys.governance.memberVote(proposalId),
queryFn: () => getApi(address, session?.token, communitySlug).getMemberVote(proposalId),
enabled: !!address && !!proposalId && proposal?.status === 'active',
});

const { data: allVotes = [] } = useQuery({
queryKey: queryKeys.governance.votes(proposalId),
queryFn: () => getApi(address, session?.token, communitySlug).listProposalVotes(proposalId),
enabled: !!address && !!proposalId,
});

const castVoteMutation = useMutation({
mutationFn: (choice: VoteChoice) =>
getApi(address, session?.token, communitySlug).castVote(proposalId, choice),
onSuccess: () => {
queryClient.invalidateQueries({ queryKey: queryKeys.governance.memberVote(proposalId) });
queryClient.invalidateQueries({ queryKey: queryKeys.governance.detail(proposalId) });
queryClient.invalidateQueries({ queryKey: queryKeys.governance.votes(proposalId) });
},
});

const closeVotingMutation = useMutation({
mutationFn: () =>
getApi(address, session?.token, communitySlug).closeProposalVoting(proposalId),
onSuccess: () => {
queryClient.invalidateQueries({ queryKey: queryKeys.governance.detail(proposalId) });
queryClient.invalidateQueries({ queryKey: queryKeys.governance.list(communitySlug) });
},
});

if (!address) {
return (
<FeatureGate enabled={features.governance} name="Governance">
<div className="p-8 text-center">
<p className="text-muted-foreground mb-6">Please connect your wallet to view proposals.</p>
</div>
</FeatureGate>
);
}

if (proposalLoading) {
return (
<FeatureGate enabled={features.governance} name="Governance">
<LoadingState message="Loading proposal…" />
</FeatureGate>
);
}

if (proposalError || !proposal) {
return (
<FeatureGate enabled={features.governance} name="Governance">
<ErrorState
title="Could not load proposal"
message={safeErrorMessage(proposalError) || 'Proposal not found.'}
onRetry={() => refetchProposal()}
/>
</FeatureGate>
);
}

const canVote = proposal.status === 'active' && !memberVote;
const hasVoted = !!memberVote;

return (
<FeatureGate enabled={features.governance} name="Governance">
<div className="space-y-6">
<Button
variant="ghost"
onClick={() => router.back()}
className="mb-4"
>
← Back
</Button>

{/* Proposal Header */}
<Card>
<CardHeader>
<div className="flex flex-col gap-4 sm:flex-row sm:items-start sm:justify-between">
<div className="flex-1 min-w-0">
<div className="flex items-center gap-3 mb-3">
<h1 className="text-3xl font-bold">{proposal.title}</h1>
<ProposalStatusBadge status={proposal.status} />
</div>
<p className="text-muted-foreground text-lg">{proposal.description}</p>
<div className="mt-4 text-sm text-muted-foreground">
<p>Type: <span className="font-medium">{proposal.type}</span></p>
<p>Proposer: <span className="font-mono">{proposal.proposer.slice(0, 10)}...</span></p>
</div>
</div>
</div>
</CardHeader>
</Card>

{/* Proposal Details */}
<div className="grid gap-4 md:grid-cols-2">
<Card>
<CardHeader>
<CardTitle className="text-base">Voting Period</CardTitle>
</CardHeader>
<CardContent className="space-y-2 text-sm">
<div>
<p className="text-muted-foreground">Starts</p>
<p className="font-medium">{new Date(proposal.votingStartsAt).toLocaleString()}</p>
</div>
<div>
<p className="text-muted-foreground">Ends</p>
<p className="font-medium">{new Date(proposal.votingEndsAt).toLocaleString()}</p>
</div>
</CardContent>
</Card>

<Card>
<CardHeader>
<CardTitle className="text-base">Voting Results</CardTitle>
</CardHeader>
<CardContent>
<div className="space-y-3">
<div>
<div className="flex justify-between mb-1 text-sm">
<span>For</span>
<span className="font-semibold">{proposal.votesSummary.percentFor ?? 0}%</span>
</div>
<div className="w-full bg-gray-200 rounded-full h-2">
<div
className="bg-green-500 h-2 rounded-full transition-all"
style={{ width: `${proposal.votesSummary.percentFor ?? 0}%` }}
/>
</div>
</div>
<div>
<div className="flex justify-between mb-1 text-sm">
<span>Against</span>
<span className="font-semibold">{proposal.votesSummary.percentAgainst ?? 0}%</span>
</div>
<div className="w-full bg-gray-200 rounded-full h-2">
<div
className="bg-red-500 h-2 rounded-full transition-all"
style={{ width: `${proposal.votesSummary.percentAgainst ?? 0}%` }}
/>
</div>
</div>
<div>
<div className="flex justify-between mb-1 text-sm">
<span>Abstain</span>
<span className="font-semibold">{proposal.votesSummary.totalVotes > 0 ? Math.round((proposal.votesSummary.weightsAbstain / proposal.totalWeight) * 100) : 0}%</span>
</div>
<div className="w-full bg-gray-200 rounded-full h-2">
<div
className="bg-gray-400 h-2 rounded-full transition-all"
style={{ width: `${proposal.votesSummary.totalVotes > 0 ? Math.round((proposal.votesSummary.weightsAbstain / proposal.totalWeight) * 100) : 0}%` }}
/>
</div>
</div>
<p className="text-xs text-muted-foreground pt-2">
Total votes: {proposal.votesSummary.totalVotes}
</p>
</div>
</CardContent>
</Card>
</div>

{/* Voting Section */}
{proposal.status === 'active' && (
<Card>
<CardHeader>
<CardTitle>Cast Your Vote</CardTitle>
{hasVoted && (
<CardDescription>You voted <span className="font-semibold">{memberVote?.choice}</span></CardDescription>
)}
</CardHeader>
<CardContent>
<div className="flex gap-3">
{(['for', 'against', 'abstain'] as const).map((choice) => (
<Button
key={choice}
onClick={() => {
setSelectedVote(choice);
castVoteMutation.mutate(choice);
}}
variant={
selectedVote === choice || memberVote?.choice === choice
? 'default'
: 'outline'
}
disabled={castVoteMutation.isPending}
className="flex-1"
>
{choice.charAt(0).toUpperCase() + choice.slice(1)}
</Button>
))}
</div>
{castVoteMutation.error && (
<p className="text-sm text-red-600 mt-4">
{safeErrorMessage(castVoteMutation.error)}
</p>
)}
</CardContent>
</Card>
)}

{/* Admin Actions */}
{isAdmin && proposal.status === 'active' && (
<Card className="border-orange-200 bg-orange-50">
<CardHeader>
<CardTitle className="text-base">Admin Actions</CardTitle>
</CardHeader>
<CardContent>
<Button
onClick={() => closeVotingMutation.mutate()}
disabled={closeVotingMutation.isPending}
variant="destructive"
>
Close Voting
</Button>
{closeVotingMutation.error && (
<p className="text-sm text-red-600 mt-4">
{safeErrorMessage(closeVotingMutation.error)}
</p>
)}
</CardContent>
</Card>
)}

{/* Proposal Payload */}
{proposal.payload && Object.keys(proposal.payload).length > 0 && (
<Card>
<CardHeader>
<CardTitle className="text-base">Proposal Details</CardTitle>
</CardHeader>
<CardContent>
<pre className="bg-muted p-4 rounded-lg overflow-auto text-xs">
{JSON.stringify(proposal.payload, null, 2)}
</pre>
</CardContent>
</Card>
)}

{/* Recent Votes */}
{allVotes.length > 0 && (
<Card>
<CardHeader>
<CardTitle className="text-base">Recent Votes</CardTitle>
</CardHeader>
<CardContent>
<div className="space-y-3 max-h-96 overflow-y-auto">
{allVotes.slice(0, 10).map((vote) => (
<div key={vote.id} className="flex justify-between items-center text-sm border-b pb-2 last:border-b-0">
<div>
<p className="font-mono text-xs">{vote.voter.slice(0, 10)}...</p>
<p className="text-muted-foreground text-xs">
{vote.voterContext?.tier} member, {vote.voterContext?.role}
</p>
</div>
<div className="text-right">
<p className={`font-medium ${
vote.choice === 'for' ? 'text-green-600' :
vote.choice === 'against' ? 'text-red-600' :
'text-gray-600'
}`}>
{vote.choice.charAt(0).toUpperCase() + vote.choice.slice(1)}
</p>
<p className="text-muted-foreground text-xs">Weight: {vote.weight}</p>
</div>
</div>
))}
</div>
</CardContent>
</Card>
)}
</div>
</FeatureGate>
);
}
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