206 lines
7.2 KiB
QML
206 lines
7.2 KiB
QML
import QtQuick 2.15
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import StatusQ 0.1
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import StatusQ.Core 0.1
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import StatusQ.Core.Theme 0.1
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import StatusQ.Core.Utils 0.1
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import SortFilterProxyModel 0.2
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import utils 1.0
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/**
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Adaptor transforming input flat model of collectibles into grouped model,
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grouped by communities and collections to form expected by components like
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e.g. TokenSelector.
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1. Ownership submodels filtered to have only entries for given `account`
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2. Total balance calculated for remaining ownership entries in submodels
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3. Balance exposed to the top level model
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4. Grouping value exposed depending if token comes from community or not
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(community collectibles are grouped by communtiyId, other by collectionId)
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5. Entries with zero balance filtered out
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6. Items are sorted by communityId and collectionId in order to group them correctly
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7. Grouping by groupingValue
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8. For community groups, group once again by collectionId
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9. Expose groupName and type according of it's community group or collection
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10. Expose sub-sub-groups count as a balance for sub-groups
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**/
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QObject {
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id: root
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/** Account key used for filtering **/
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property string accountKey
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/**
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Expected model structure:
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chainId [int] - network chain id
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chainName [string] - name of network
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iconUrl [string] - network icon url
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**/
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property var networksModel
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/**
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Expected model structure:
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symbol [string] - unique identifier of a collectible
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collectionUid [string] - unique identifier of a collection
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contractAddress [string] - collectible's contract address
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name [string] - collectible's name e.g. "Magicat"
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collectionName [string] - collection name e.g. "Crypto Kitties"
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mediaUrl [url] - collectible's media url
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imageUrl [url] - collectible's image url
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communityId [string] - unique identifier of a community for community collectible or empty
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ownership [model] - submodel of balances per chain/account
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balance [int] - balance (always 1 for ERC-721)
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accountAddress [string] - unique identifier of an account
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**/
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property var collectiblesModel
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/**
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Model structure:
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groupName [string] - group name (from collection or community name)
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icon [url] - from imageUrl or mediaUrl
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type [string] - can be "community" or "other"
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subitems [model] - submodel of collectibles/collections of the group
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key [string] - key of collection (community type) or collectible (other type)
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name [string] - name of the subitem (of collectible or collection)
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balance [int] - balance of collection (in case of community collectibles)
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or collectible (in case of ERC-1155)
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icon [url] - icon of the subitem
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**/
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readonly property alias model: communityGroupsGrouppedByCollection
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LeftJoinModel {
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id: jointCollectiblesByNwChainId
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leftModel: collectiblesModel ?? null
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rightModel: networksModel
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joinRole: "chainId"
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}
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SortFilterProxyModel {
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id: initiallyFilteredAndSorted
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objectName: "collectiblesSelectionAdaptor_initiallyFilteredAndSorted"
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sourceModel: ObjectProxyModel {
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sourceModel: jointCollectiblesByNwChainId
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delegate: QObject {
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readonly property int balance: balanceAggregator.value /* 3 */
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readonly property string groupingValue: model.communityId /* 4 */
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? model.communityId
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: model.collectionUid
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readonly property string key: model.symbol
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readonly property url icon:
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model.imageUrl || model.mediaUrl || Theme.png("tokens/DEFAULT-TOKEN")
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SortFilterProxyModel { /* 1 */
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id: ownershipFiltered
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sourceModel: model.ownership
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filters: ValueFilter {
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roleName: "accountAddress"
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value: root.accountKey
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}
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}
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SumAggregator { /* 2 */
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id: balanceAggregator
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model: ownershipFiltered
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roleName: "balance"
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}
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}
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expectedRoles: [
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"ownership", "communityId", "collectionUid", "imageUrl",
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"mediaUrl", "symbol"
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]
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exposedRoles: ["balance", "groupingValue", "icon", "key"]
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}
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filters: RangeFilter { /* 5 */
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roleName: "balance"
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minimumValue: 1
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}
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sorters: [ /* 6 */
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RoleSorter {
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roleName: "communityId"
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sortOrder: Qt.DescendingOrder
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},
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RoleSorter {
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roleName: "collectionUid"
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}
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]
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}
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GroupingModel { /* 7 */
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id: grouppedByCollectionOrCommunity
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objectName: "collectiblesSelectionAdaptor_grouppedByCollectionOrCommunity"
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sourceModel: initiallyFilteredAndSorted
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groupingRoleName: "groupingValue"
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submodelRoleName: "subitems"
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}
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ObjectProxyModel {
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id: communityGroupsGrouppedByCollection
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objectName: "collectiblesSelectionAdaptor_communityGroupsGrouppedByCollection"
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sourceModel: grouppedByCollectionOrCommunity
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delegate: QObject {
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readonly property var subitems:
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model.communityId ? collectionCountProxyLoader.item
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: model.subitems
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readonly property string type: /* 9 */
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model.communityId ? "community" : "other"
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readonly property string groupName:
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model.communityName || model.collectionName
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readonly property url icon:
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model.communityId ? model.communityImage
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: (model.icon || Qt.resolvedUrl(""))
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Loader {
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id: collectionCountProxyLoader
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active: !!model.communityId
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sourceComponent: ObjectProxyModel {
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sourceModel: GroupingModel { /* 8 */
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sourceModel: model.communityId ? model.subitems : null
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groupingRoleName: "collectionUid"
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submodelRoleName: "subitems"
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}
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delegate: QtObject { /* 10 */
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readonly property int balance: model.subitems.ModelCount.count
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readonly property string key: model.collectionUid
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}
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expectedRoles: ["subitems", "collectionUid"]
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exposedRoles: ["balance", "key"]
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}
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}
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}
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expectedRoles: [
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"subitems", "collectionName", "communityId",
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"communityName", "communityImage", "icon"
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]
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exposedRoles: ["subitems", "type", "groupName", "icon"]
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}
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}
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