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Merge pull request #1173 from novasamatech/feature/historical-votes-f…
…or-ended-referendums Feature/historical votes for ended referendums
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...e/Governance/Operation/Fetch/OffchainVoting/GovernanceSplitAbstainTotalVotesFactory.swift
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.../Modules/Vote/Governance/Operation/Fetch/OffchainVoting/GovernanceTotalVotesFactory.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| import Foundation | ||
| import Operation_iOS | ||
| import BigInt | ||
|
|
||
| struct ReferendumVotingAmount { | ||
| let aye: BigUInt | ||
| let nay: BigUInt | ||
| let abstain: BigUInt | ||
| } | ||
|
|
||
| protocol GovernanceTotalVotesFactoryProtocol { | ||
| func createOperation( | ||
| referendumId: ReferendumIdLocal, | ||
| votersType: ReferendumVotersType? | ||
| ) -> BaseOperation<ReferendumVotingAmount> | ||
| } | ||
|
|
||
| final class GovernanceTotalVotesFactory: SubqueryBaseOperationFactory { | ||
| private func prepareSplitAbstainVotesQuery(referendumId: ReferendumIdLocal) -> String { | ||
| """ | ||
| { | ||
| castingVotings( | ||
| filter: { | ||
| referendumId: { equalTo: "\(referendumId)" }, | ||
| splitAbstainVote: { isNull: false } | ||
| } | ||
| ) { | ||
| nodes { | ||
| voter | ||
| referendumId | ||
| splitAbstainVote | ||
| } | ||
| } | ||
| } | ||
| """ | ||
| } | ||
|
|
||
| private func prepareStandardVotesQuery(referendumId: ReferendumIdLocal, isAye: Bool) -> String { | ||
| """ | ||
| { | ||
| castingVotings (filter: { | ||
| referendumId: {equalTo: "\(referendumId)"}, | ||
| or: [ | ||
| {splitVote: { isNull: false }}, | ||
| {splitAbstainVote: {isNull: false}}, | ||
| {standardVote: { contains: { aye: \(isAye)}}} | ||
| ] | ||
| }) { | ||
| nodes { | ||
| referendumId | ||
| standardVote | ||
| splitVote | ||
| splitAbstainVote | ||
| voters | ||
| delegatorVotes { | ||
| nodes { | ||
| delegator | ||
| vote | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| """ | ||
| } | ||
|
|
||
| private func prepareAllVotesQuery(referendumId: ReferendumIdLocal) -> String { | ||
| """ | ||
| { | ||
| castingVotings( | ||
| filter: { | ||
| referendumId: { equalTo: "\(referendumId)" } | ||
| } | ||
| ) { | ||
| nodes { | ||
| referendumId | ||
| voter | ||
| splitVote | ||
| splitAbstainVote | ||
| standardVote | ||
| delegatorVotes { | ||
| nodes { | ||
| delegator | ||
| vote | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| """ | ||
| } | ||
| } | ||
|
|
||
| extension GovernanceTotalVotesFactory: GovernanceTotalVotesFactoryProtocol { | ||
| func createOperation(referendumId: ReferendumIdLocal, votersType: ReferendumVotersType?) -> BaseOperation<ReferendumVotingAmount> { | ||
| let query = if let votersType { | ||
| switch votersType { | ||
| case .ayes: | ||
| prepareStandardVotesQuery(referendumId: referendumId, isAye: true) | ||
| case .nays: | ||
| prepareStandardVotesQuery(referendumId: referendumId, isAye: false) | ||
| case .abstains: | ||
| prepareSplitAbstainVotesQuery(referendumId: referendumId) | ||
| } | ||
|
|
||
| } else { | ||
| prepareAllVotesQuery(referendumId: referendumId) | ||
| } | ||
|
|
||
| let operation = createOperation( | ||
| for: query | ||
| ) { [weak self] (response: SubqueryVotingResponse.ReferendumVotesResponse) -> ReferendumVotingAmount in | ||
| response.castingVotings.nodes | ||
| .compactMap { ReferendumVoterLocal(from: $0) } | ||
| .reduce( | ||
| ReferendumVotingAmount( | ||
| aye: 0, | ||
| nay: 0, | ||
| abstain: 0 | ||
| ) | ||
| ) { self?.sum($0, with: $1) ?? $0 } | ||
| } | ||
|
|
||
| return operation | ||
| } | ||
|
|
||
| private func sum( | ||
| _ amount: ReferendumVotingAmount, | ||
| with voter: ReferendumVoterLocal | ||
| ) -> ReferendumVotingAmount { | ||
| var accAye = amount.aye | ||
| var accNay = amount.nay | ||
| var accAbstain = amount.abstain | ||
|
|
||
| switch voter.vote { | ||
| case .split: | ||
| accAye += voter.vote.ayes | ||
| accNay += voter.vote.nays | ||
| case .splitAbstain: | ||
| accAbstain += voter.vote.abstains | ||
| case let .standard(model) where model.vote.aye: | ||
| accAye += (voter.vote.ayes + voter.delegatorsVotes) | ||
| case let .standard(model): | ||
| accNay += (voter.vote.nays + voter.delegatorsVotes) | ||
| } | ||
|
|
||
| return ReferendumVotingAmount( | ||
| aye: accAye, | ||
| nay: accNay, | ||
| abstain: accAbstain | ||
| ) | ||
| } | ||
| } |
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