wallet-core: flatten directory structure

1 files changed, 321 insertions, 0 deletions

diff --git a/packages/taler-wallet-core/src/reward.ts b/packages/taler-wallet-core/src/reward.ts
new file mode 100644
index 000000000..da43e65b0
--- /dev/null
+++ b/packages/taler-wallet-core/src/reward.ts
@@ -0,0 +1,321 @@
+/*
+ This file is part of GNU Taler
+ (C) 2019 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * Imports.
+ */
+import {
+  AcceptTipResponse,
+  Logger,
+  PrepareTipResult,
+  TransactionAction,
+  TransactionIdStr,
+  TransactionMajorState,
+  TransactionMinorState,
+  TransactionState,
+  TransactionType,
+} from "@gnu-taler/taler-util";
+import { RewardRecord, RewardRecordStatus } from "./db.js";
+import { InternalWalletState } from "./internal-wallet-state.js";
+import { PendingTaskType } from "./pending-types.js";
+import { assertUnreachable } from "./util/assertUnreachable.js";
+import {
+  TaskRunResult,
+  TombstoneTag,
+  TransactionContext,
+  constructTaskIdentifier,
+} from "./common.js";
+import {
+  constructTransactionIdentifier,
+  notifyTransition,
+} from "./transactions.js";
+
+const logger = new Logger("operations/tip.ts");
+
+export class RewardTransactionContext implements TransactionContext {
+  public transactionId: string;
+  public retryTag: string;
+
+  constructor(
+    public ws: InternalWalletState,
+    public walletRewardId: string,
+  ) {
+    this.transactionId = constructTransactionIdentifier({
+      tag: TransactionType.Reward,
+      walletRewardId,
+    });
+    this.retryTag = constructTaskIdentifier({
+      tag: PendingTaskType.RewardPickup,
+      walletRewardId,
+    });
+  }
+
+  async deleteTransaction(): Promise<void> {
+    const { ws, walletRewardId } = this;
+    await ws.db.runReadWriteTx(["rewards", "tombstones"], async (tx) => {
+      const tipRecord = await tx.rewards.get(walletRewardId);
+      if (tipRecord) {
+        await tx.rewards.delete(walletRewardId);
+        await tx.tombstones.put({
+          id: TombstoneTag.DeleteReward + ":" + walletRewardId,
+        });
+      }
+    });
+  }
+
+  async suspendTransaction(): Promise<void> {
+    const { ws, walletRewardId, transactionId, retryTag } = this;
+    const transitionInfo = await ws.db.runReadWriteTx(
+      ["rewards"],
+      async (tx) => {
+        const tipRec = await tx.rewards.get(walletRewardId);
+        if (!tipRec) {
+          logger.warn(`transaction tip ${walletRewardId} not found`);
+          return;
+        }
+        let newStatus: RewardRecordStatus | undefined = undefined;
+        switch (tipRec.status) {
+          case RewardRecordStatus.Done:
+          case RewardRecordStatus.SuspendedPickup:
+          case RewardRecordStatus.Aborted:
+          case RewardRecordStatus.DialogAccept:
+          case RewardRecordStatus.Failed:
+            break;
+          case RewardRecordStatus.PendingPickup:
+            newStatus = RewardRecordStatus.SuspendedPickup;
+            break;
+
+          default:
+            assertUnreachable(tipRec.status);
+        }
+        if (newStatus != null) {
+          const oldTxState = computeRewardTransactionStatus(tipRec);
+          tipRec.status = newStatus;
+          const newTxState = computeRewardTransactionStatus(tipRec);
+          await tx.rewards.put(tipRec);
+          return {
+            oldTxState,
+            newTxState,
+          };
+        }
+        return undefined;
+      },
+    );
+    notifyTransition(ws, transactionId, transitionInfo);
+  }
+
+  async abortTransaction(): Promise<void> {
+    const { ws, walletRewardId, transactionId, retryTag } = this;
+    const transitionInfo = await ws.db.runReadWriteTx(
+      ["rewards"],
+      async (tx) => {
+        const tipRec = await tx.rewards.get(walletRewardId);
+        if (!tipRec) {
+          logger.warn(`transaction tip ${walletRewardId} not found`);
+          return;
+        }
+        let newStatus: RewardRecordStatus | undefined = undefined;
+        switch (tipRec.status) {
+          case RewardRecordStatus.Done:
+          case RewardRecordStatus.Aborted:
+          case RewardRecordStatus.PendingPickup:
+          case RewardRecordStatus.DialogAccept:
+          case RewardRecordStatus.Failed:
+            break;
+          case RewardRecordStatus.SuspendedPickup:
+            newStatus = RewardRecordStatus.Aborted;
+            break;
+          default:
+            assertUnreachable(tipRec.status);
+        }
+        if (newStatus != null) {
+          const oldTxState = computeRewardTransactionStatus(tipRec);
+          tipRec.status = newStatus;
+          const newTxState = computeRewardTransactionStatus(tipRec);
+          await tx.rewards.put(tipRec);
+          return {
+            oldTxState,
+            newTxState,
+          };
+        }
+        return undefined;
+      },
+    );
+    notifyTransition(ws, transactionId, transitionInfo);
+  }
+
+  async resumeTransaction(): Promise<void> {
+    const { ws, walletRewardId, transactionId, retryTag } = this;
+    const transitionInfo = await ws.db.runReadWriteTx(
+      ["rewards"],
+      async (tx) => {
+        const rewardRec = await tx.rewards.get(walletRewardId);
+        if (!rewardRec) {
+          logger.warn(`transaction reward ${walletRewardId} not found`);
+          return;
+        }
+        let newStatus: RewardRecordStatus | undefined = undefined;
+        switch (rewardRec.status) {
+          case RewardRecordStatus.Done:
+          case RewardRecordStatus.PendingPickup:
+          case RewardRecordStatus.Aborted:
+          case RewardRecordStatus.DialogAccept:
+          case RewardRecordStatus.Failed:
+            break;
+          case RewardRecordStatus.SuspendedPickup:
+            newStatus = RewardRecordStatus.PendingPickup;
+            break;
+          default:
+            assertUnreachable(rewardRec.status);
+        }
+        if (newStatus != null) {
+          const oldTxState = computeRewardTransactionStatus(rewardRec);
+          rewardRec.status = newStatus;
+          const newTxState = computeRewardTransactionStatus(rewardRec);
+          await tx.rewards.put(rewardRec);
+          return {
+            oldTxState,
+            newTxState,
+          };
+        }
+        return undefined;
+      },
+    );
+    notifyTransition(ws, transactionId, transitionInfo);
+  }
+
+  async failTransaction(): Promise<void> {
+    const { ws, walletRewardId, transactionId, retryTag } = this;
+    const transitionInfo = await ws.db.runReadWriteTx(
+      ["rewards"],
+      async (tx) => {
+        const tipRec = await tx.rewards.get(walletRewardId);
+        if (!tipRec) {
+          logger.warn(`transaction tip ${walletRewardId} not found`);
+          return;
+        }
+        let newStatus: RewardRecordStatus | undefined = undefined;
+        switch (tipRec.status) {
+          case RewardRecordStatus.Done:
+          case RewardRecordStatus.Aborted:
+          case RewardRecordStatus.Failed:
+            break;
+          case RewardRecordStatus.PendingPickup:
+          case RewardRecordStatus.DialogAccept:
+          case RewardRecordStatus.SuspendedPickup:
+            newStatus = RewardRecordStatus.Failed;
+            break;
+          default:
+            assertUnreachable(tipRec.status);
+        }
+        if (newStatus != null) {
+          const oldTxState = computeRewardTransactionStatus(tipRec);
+          tipRec.status = newStatus;
+          const newTxState = computeRewardTransactionStatus(tipRec);
+          await tx.rewards.put(tipRec);
+          return {
+            oldTxState,
+            newTxState,
+          };
+        }
+        return undefined;
+      },
+    );
+    notifyTransition(ws, transactionId, transitionInfo);
+  }
+}
+
+/**
+ * Get the (DD37-style) transaction status based on the
+ * database record of a reward.
+ */
+export function computeRewardTransactionStatus(
+  tipRecord: RewardRecord,
+): TransactionState {
+  switch (tipRecord.status) {
+    case RewardRecordStatus.Done:
+      return {
+        major: TransactionMajorState.Done,
+      };
+    case RewardRecordStatus.Aborted:
+      return {
+        major: TransactionMajorState.Aborted,
+      };
+    case RewardRecordStatus.PendingPickup:
+      return {
+        major: TransactionMajorState.Pending,
+        minor: TransactionMinorState.Pickup,
+      };
+    case RewardRecordStatus.DialogAccept:
+      return {
+        major: TransactionMajorState.Dialog,
+        minor: TransactionMinorState.Proposed,
+      };
+    case RewardRecordStatus.SuspendedPickup:
+      return {
+        major: TransactionMajorState.Pending,
+        minor: TransactionMinorState.Pickup,
+      };
+    case RewardRecordStatus.Failed:
+      return {
+        major: TransactionMajorState.Failed,
+      };
+    default:
+      assertUnreachable(tipRecord.status);
+  }
+}
+
+export function computeTipTransactionActions(
+  tipRecord: RewardRecord,
+): TransactionAction[] {
+  switch (tipRecord.status) {
+    case RewardRecordStatus.Done:
+      return [TransactionAction.Delete];
+    case RewardRecordStatus.Failed:
+      return [TransactionAction.Delete];
+    case RewardRecordStatus.Aborted:
+      return [TransactionAction.Delete];
+    case RewardRecordStatus.PendingPickup:
+      return [TransactionAction.Suspend, TransactionAction.Fail];
+    case RewardRecordStatus.SuspendedPickup:
+      return [TransactionAction.Resume, TransactionAction.Fail];
+    case RewardRecordStatus.DialogAccept:
+      return [TransactionAction.Abort];
+    default:
+      assertUnreachable(tipRecord.status);
+  }
+}
+
+export async function prepareReward(
+  ws: InternalWalletState,
+  talerTipUri: string,
+): Promise<PrepareTipResult> {
+  throw Error("the rewards feature is not supported anymore");
+}
+
+export async function processTip(
+  ws: InternalWalletState,
+  walletTipId: string,
+): Promise<TaskRunResult> {
+  return TaskRunResult.finished();
+}
+
+export async function acceptTip(
+  ws: InternalWalletState,
+  transactionId: TransactionIdStr,
+): Promise<AcceptTipResponse> {
+  throw Error("the rewards feature is not supported anymore");
+}