From 0a618cc4ffbdfa8f29fc90666651d0b84ccaef46 Mon Sep 17 00:00:00 2001
From: Trent Larson <trent@trentlarson.com>
Date: Sun, 19 Nov 2023 17:08:42 -0700
Subject: [PATCH 1/2] add button to record an offer on a project

---
 src/components/OfferDialog.vue | 317 +++++++++++++++++++++++++++++++++
 src/libs/endorserServer.ts     | 114 +++++++++---
 src/views/ProjectViewView.vue  |  42 ++++-
 3 files changed, 443 insertions(+), 30 deletions(-)
 create mode 100644 src/components/OfferDialog.vue

diff --git a/src/components/OfferDialog.vue b/src/components/OfferDialog.vue
new file mode 100644
index 000000000..0ab370041
--- /dev/null
+++ b/src/components/OfferDialog.vue
@@ -0,0 +1,317 @@
+<template>
+  <div v-if="visible" class="dialog-overlay">
+    <div class="dialog">
+      <h1 class="text-xl font-bold text-center mb-4">Offer Help</h1>
+      <input
+        type="text"
+        class="block w-full rounded border border-slate-400 mb-2 px-3 py-2"
+        placeholder="Description, prerequisites, terms, etc."
+        v-model="description"
+      />
+      <div class="flex flex-row mb-6">
+        <span
+          class="rounded-l border border-r-0 border-slate-400 bg-slate-200 text-center px-2 py-2"
+        >
+          Hours
+        </span>
+        <div
+          class="border border-r-0 border-slate-400 bg-slate-200 px-4 py-2"
+          @click="decrement()"
+        >
+          <fa icon="chevron-left" />
+        </div>
+        <input
+          type="text"
+          class="w-full border border-r-0 border-slate-400 px-2 py-2 text-center"
+          v-model="hours"
+        />
+        <div
+          class="rounded-r border border-slate-400 bg-slate-200 px-4 py-2"
+          @click="increment()"
+        >
+          <fa icon="chevron-right" />
+        </div>
+      </div>
+      <div class="flex flex-row mb-6">
+        <span
+          class="rounded-l border border-r-0 border-slate-400 bg-slate-200 text-center px-2 py-2"
+        >
+          Expiration
+        </span>
+        <input
+          type="text"
+          class="w-full border border-slate-400 px-2 py-2 rounded-r"
+          :placeholder="'Date, eg. ' + new Date().toISOString().slice(0, 10)"
+          v-model="expirationDateInput"
+        />
+      </div>
+      <p class="text-center mb-2 italic">Sign & Send to publish to the world</p>
+      <button
+        class="block w-full text-center text-lg font-bold uppercase bg-blue-600 text-white px-2 py-3 rounded-md mb-2"
+        @click="confirm"
+      >
+        Sign &amp; Send
+      </button>
+      <button
+        class="block w-full text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md"
+        @click="cancel"
+      >
+        Cancel
+      </button>
+    </div>
+  </div>
+</template>
+
+<script lang="ts">
+import { Vue, Component, Prop } from "vue-facing-decorator";
+import { createAndSubmitOffer } from "@/libs/endorserServer";
+import { accountsDB, db } from "@/db/index";
+import { MASTER_SETTINGS_KEY, Settings } from "@/db/tables/settings";
+import { Account } from "@/db/tables/accounts";
+
+interface Notification {
+  group: string;
+  type: string;
+  title: string;
+  text: string;
+}
+
+@Component
+export default class OfferDialog extends Vue {
+  $notify!: (notification: Notification, timeout?: number) => void;
+
+  @Prop message = "";
+  @Prop projectId = "";
+
+  activeDid = "";
+  apiServer = "";
+
+  description = "";
+  expirationDateInput = "";
+  hours = "0";
+  visible = false;
+
+  async created() {
+    try {
+      await db.open();
+      const settings = (await db.settings.get(MASTER_SETTINGS_KEY)) as Settings;
+      this.apiServer = settings?.apiServer || "";
+      this.activeDid = settings?.activeDid || "";
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    } catch (err: any) {
+      console.log("Error retrieving settings from database:", err);
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Error",
+          text:
+            err.message ||
+            "There was an error retrieving the latest sweet, sweet action.",
+        },
+        -1,
+      );
+    }
+  }
+
+  open() {
+    this.visible = true;
+  }
+
+  close() {
+    this.visible = false;
+  }
+
+  increment() {
+    this.hours = `${(parseFloat(this.hours) || 0) + 1}`;
+  }
+
+  decrement() {
+    this.hours = `${Math.max(0, (parseFloat(this.hours) || 1) - 1)}`;
+  }
+
+  cancel() {
+    this.close();
+    this.description = "";
+    this.hours = "0";
+  }
+
+  async confirm() {
+    this.close();
+    this.$notify(
+      {
+        group: "alert",
+        type: "toast",
+        text: "Recording the offer...",
+        title: "",
+      },
+      1000,
+    );
+    // this is asynchronous, but we don't need to wait for it to complete
+    this.recordOffer(
+      this.description,
+      parseFloat(this.hours),
+      this.expirationDateInput,
+    ).then(() => {
+      this.description = "";
+      this.hours = "0";
+    });
+  }
+
+  public async getIdentity(activeDid: string) {
+    await accountsDB.open();
+    const account = (await accountsDB.accounts
+      .where("did")
+      .equals(activeDid)
+      .first()) as Account;
+    const identity = JSON.parse(account?.identity || "null");
+
+    if (!identity) {
+      throw new Error(
+        "Attempted to load Offer records for DID ${activeDid} but no identity was found",
+      );
+    }
+    return identity;
+  }
+
+  /**
+   *
+   * @param description may be an empty string
+   * @param hours may be 0
+   */
+  public async recordOffer(
+    description?: string,
+    hours?: number,
+    expirationDateInput?: string,
+  ) {
+    if (!this.activeDid) {
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Error",
+          text: "You must select an identity before you can record an offer.",
+        },
+        -1,
+      );
+      return;
+    }
+
+    if (!description && !hours) {
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Error",
+          text: "You must enter a description or some number of hours.",
+        },
+        -1,
+      );
+      return;
+    }
+
+    try {
+      const identity = await this.getIdentity(this.activeDid);
+      const result = await createAndSubmitOffer(
+        this.axios,
+        this.apiServer,
+        identity,
+        description,
+        hours,
+        expirationDateInput,
+        this.projectId,
+      );
+
+      if (
+        result.type === "error" ||
+        this.isOfferCreationError(result.response)
+      ) {
+        const errorMessage = this.getOfferCreationErrorMessage(result);
+        console.log("Error with offer creation result:", result);
+        this.$notify(
+          {
+            group: "alert",
+            type: "danger",
+            title: "Error",
+            text: errorMessage || "There was an error creating the offer.",
+          },
+          -1,
+        );
+      } else {
+        this.$notify(
+          {
+            group: "alert",
+            type: "success",
+            title: "Success",
+            text: "That offer was recorded.",
+          },
+          10000,
+        );
+      }
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    } catch (error: any) {
+      console.log("Error with offer recordation caught:", error);
+      const message =
+        error.userMessage ||
+        error.response?.data?.error?.message ||
+        "There was an error recording the offer.";
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Error",
+          text: message,
+        },
+        -1,
+      );
+    }
+  }
+
+  // Helper functions for readability
+
+  /**
+   * @param result response "data" from the server
+   * @returns true if the result indicates an error
+   */
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  isOfferCreationError(result: any) {
+    return result.status !== 201 || result.data?.error;
+  }
+
+  /**
+   * @param result direct response eg. ErrorResult or SuccessResult (potentially with embedded "data")
+   * @returns best guess at an error message
+   */
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  getOfferCreationErrorMessage(result: any) {
+    return (
+      result.error?.userMessage ||
+      result.error?.error ||
+      result.response?.data?.error?.message
+    );
+  }
+}
+</script>
+
+<style>
+.dialog-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba(0, 0, 0, 0.5);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  padding: 1.5rem;
+}
+
+.dialog {
+  background-color: white;
+  padding: 1rem;
+  border-radius: 0.5rem;
+  width: 100%;
+  max-width: 500px;
+}
+</style>
diff --git a/src/libs/endorserServer.ts b/src/libs/endorserServer.ts
index 628d5bac0..e48aa1a69 100644
--- a/src/libs/endorserServer.ts
+++ b/src/libs/endorserServer.ts
@@ -61,7 +61,7 @@ export interface GiveServerRecord {
 
 export interface GiveVerifiableCredential {
   "@context"?: string; // optional when embedded, eg. in an Agree
-  "@type": string;
+  "@type": "GiveAction";
   agent?: { identifier: string };
   description?: string;
   fulfills?: { "@type": string; identifier: string };
@@ -70,6 +70,19 @@ export interface GiveVerifiableCredential {
   recipient?: { identifier: string };
 }
 
+export interface OfferVerifiableCredential {
+  "@context"?: string; // optional when embedded, eg. in an Agree
+  "@type": "Offer";
+  description?: string;
+  includesObject?: { amountOfThisGood: number; unitCode: string };
+  itemOffered?: {
+    description?: string;
+    isPartOf?: { handleId?: string; lastClaimId?: string; "@type"?: string };
+  };
+  offeredBy?: { identifier: string };
+  validThrough?: string;
+}
+
 export interface PlanVerifiableCredential {
   "@context": "https://schema.org";
   "@type": "PlanAction";
@@ -152,7 +165,7 @@ export interface ErrorResult {
   error: InternalError;
 }
 
-export type CreateAndSubmitGiveResult = SuccessResult | ErrorResult;
+export type CreateAndSubmitClaimResult = SuccessResult | ErrorResult;
 
 /**
  * For result, see https://api.endorser.ch/api-docs/#/claims/post_api_v2_claim
@@ -172,20 +185,81 @@ export async function createAndSubmitGive(
   description?: string,
   hours?: number,
   fulfillsProjectHandleId?: string,
-): Promise<CreateAndSubmitGiveResult> {
-  try {
-    const vcClaim: GiveVerifiableCredential = {
-      "@context": "https://schema.org",
-      "@type": "GiveAction",
-      recipient: toDid ? { identifier: toDid } : undefined,
-      agent: fromDid ? { identifier: fromDid } : undefined,
-      description: description || undefined,
-      object: hours ? { amountOfThisGood: hours, unitCode: "HUR" } : undefined,
-      fulfills: fulfillsProjectHandleId
-        ? { "@type": "PlanAction", identifier: fulfillsProjectHandleId }
-        : undefined,
+): Promise<CreateAndSubmitClaimResult> {
+  const vcClaim: GiveVerifiableCredential = {
+    "@context": "https://schema.org",
+    "@type": "GiveAction",
+    recipient: toDid ? { identifier: toDid } : undefined,
+    agent: fromDid ? { identifier: fromDid } : undefined,
+    description: description || undefined,
+    object: hours ? { amountOfThisGood: hours, unitCode: "HUR" } : undefined,
+    fulfills: fulfillsProjectHandleId
+      ? { "@type": "PlanAction", identifier: fulfillsProjectHandleId }
+      : undefined,
+  };
+  return createAndSubmitClaim(
+    vcClaim as GenericClaim,
+    identity,
+    apiServer,
+    axios,
+  );
+}
+
+/**
+ * For result, see https://api.endorser.ch/api-docs/#/claims/post_api_v2_claim
+ *
+ * @param identity
+ * @param description may be null; should have this or hours
+ * @param hours may be null; should have this or description
+ * @param expirationDate ISO 8601 date string YYYY-MM-DD (may be null)
+ * @param fulfillsProjectHandleId ID of project to which this contributes (may be null)
+ */
+export async function createAndSubmitOffer(
+  axios: Axios,
+  apiServer: string,
+  identity: IIdentifier,
+  description?: string,
+  hours?: number,
+  expirationDate?: string,
+  fulfillsProjectHandleId?: string,
+): Promise<CreateAndSubmitClaimResult> {
+  const vcClaim: OfferVerifiableCredential = {
+    "@context": "https://schema.org",
+    "@type": "Offer",
+    offeredBy: { identifier: identity.did },
+    validThrough: expirationDate || undefined,
+  };
+  if (hours) {
+    vcClaim.includesObject = {
+      amountOfThisGood: hours,
+      unitCode: "HUR",
+    };
+  }
+  if (description) {
+    vcClaim.itemOffered = { description };
+  }
+  if (fulfillsProjectHandleId) {
+    vcClaim.itemOffered = vcClaim.itemOffered || {};
+    vcClaim.itemOffered.isPartOf = {
+      "@type": "PlanAction",
+      handleId: fulfillsProjectHandleId,
     };
+  }
+  return createAndSubmitClaim(
+    vcClaim as GenericClaim,
+    identity,
+    apiServer,
+    axios,
+  );
+}
 
+export async function createAndSubmitClaim(
+  vcClaim: GenericClaim,
+  identity: IIdentifier,
+  apiServer: string,
+  axios: Axios,
+): Promise<CreateAndSubmitClaimResult> {
+  try {
     const vcPayload = {
       vc: {
         "@context": ["https://www.w3.org/2018/credentials/v1"],
@@ -226,15 +300,11 @@ export async function createAndSubmitGive(
     });
 
     return { type: "success", response };
-  } catch (error: unknown) {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  } catch (error: any) {
+    console.log("Error creating claim:", error);
     const errorMessage: string =
-      error === null
-        ? "Null error"
-        : error instanceof Error
-        ? error.message
-        : typeof error === "object" && error !== null && "message" in error
-        ? (error as { message: string }).message
-        : "Unknown error";
+      error.response?.data?.error?.message || error.message || "Unknown error";
 
     return {
       type: "error",
diff --git a/src/views/ProjectViewView.vue b/src/views/ProjectViewView.vue
index 5f42993a1..b270c3a7b 100644
--- a/src/views/ProjectViewView.vue
+++ b/src/views/ProjectViewView.vue
@@ -80,10 +80,21 @@
       </button>
     </div>
 
+    <div class="mb-4">
+      <div v-if="activeDid" class="text-center">
+        <button
+          @click="openOfferDialog({ name: 'you', did: activeDid })"
+          class="block w-full text-lg font-bold uppercase bg-blue-600 text-white px-2 py-3 rounded-md"
+        >
+          I offer&hellip;
+        </button>
+      </div>
+    </div>
+
     <div>
       <div v-if="activeDid" class="text-center">
         <button
-          @click="openDialog({ name: 'you', did: activeDid })"
+          @click="openGiftDialog({ name: 'you', did: activeDid })"
           class="block w-full text-lg font-bold uppercase bg-blue-600 text-white px-2 py-3 rounded-md"
         >
           I gave&hellip;
@@ -93,7 +104,7 @@
       <p v-if="!activeDid" class="mt-2 mb-4">Record a gift from:</p>
 
       <ul class="grid grid-cols-4 gap-x-3 gap-y-5 text-center mb-5">
-        <li @click="openDialog()">
+        <li @click="openGiftDialog()">
           <EntityIcon
             :entityId="null"
             :iconSize="64"
@@ -108,7 +119,7 @@
         <li
           v-for="contact in allContacts"
           :key="contact.did"
-          @click="openDialog(contact)"
+          @click="openGiftDialog(contact)"
         >
           <EntityIcon
             :entityId="contact.did"
@@ -134,7 +145,15 @@
     </div>
 
     <!-- Gifts to & from this -->
-    <div class="grid items-start grid-cols-1 sm:grid-cols-2 gap-4">
+    <div class="grid items-start grid-cols-1 sm:grid-cols-3 gap-4">
+      <!--
+      <div class="bg-slate-100 px-4 py-3 rounded-md">
+        <h3 class="text-sm uppercase font-semibold mb-3">
+          Offered To This Project
+        </h3>
+      </div>
+      -->
+
       <div class="bg-slate-100 px-4 py-3 rounded-md">
         <h3 class="text-sm uppercase font-semibold mb-3">
           Given To This Project
@@ -199,11 +218,13 @@
     </div>
 
     <GiftedDialog
-      ref="customDialog"
+      ref="customGiveDialog"
       message="Received from"
       :projectId="this.projectId"
     >
     </GiftedDialog>
+    <OfferDialog ref="customOfferDialog" :projectId="this.projectId">
+    </OfferDialog>
   </section>
 </template>
 
@@ -214,6 +235,7 @@ import { IIdentifier } from "@veramo/core";
 import { Component, Vue } from "vue-facing-decorator";
 
 import GiftedDialog from "@/components/GiftedDialog.vue";
+import OfferDialog from "@/components/OfferDialog.vue";
 import { accountsDB, db } from "@/db/index";
 import { Contact } from "@/db/tables/contacts";
 import { MASTER_SETTINGS_KEY, Settings } from "@/db/tables/settings";
@@ -236,7 +258,7 @@ interface Notification {
 }
 
 @Component({
-  components: { GiftedDialog, QuickNav, EntityIcon },
+  components: { EntityIcon, GiftedDialog, OfferDialog, QuickNav },
 })
 export default class ProjectViewView extends Vue {
   $notify!: (notification: Notification, timeout?: number) => void;
@@ -533,8 +555,12 @@ export default class ProjectViewView extends Vue {
     );
   }
 
-  openDialog(contact: GiverInputInfo) {
-    (this.$refs.customDialog as GiftedDialog).open(contact);
+  openGiftDialog(contact: GiverInputInfo) {
+    (this.$refs.customGiveDialog as GiftedDialog).open(contact);
+  }
+
+  openOfferDialog() {
+    (this.$refs.customOfferDialog as OfferDialog).open();
   }
 }
 </script>

From 607666a2f997e4a736ab6e913920e00394fd809d Mon Sep 17 00:00:00 2001
From: Trent Larson <trent@trentlarson.com>
Date: Sun, 19 Nov 2023 19:44:11 -0700
Subject: [PATCH 2/2] add display of offers on project page

---
 src/libs/endorserServer.ts    | 16 ++++++--
 src/views/ProjectViewView.vue | 69 +++++++++++++++++++++++++++++++++--
 2 files changed, 79 insertions(+), 6 deletions(-)

diff --git a/src/libs/endorserServer.ts b/src/libs/endorserServer.ts
index e48aa1a69..8db51eb8c 100644
--- a/src/libs/endorserServer.ts
+++ b/src/libs/endorserServer.ts
@@ -59,12 +59,22 @@ export interface GiveServerRecord {
   unit: string;
 }
 
+export interface OfferServerRecord {
+  amount: number;
+  amountGiven: number;
+  offeredByDid: string;
+  recipientDid: string;
+  requirementsMet: boolean;
+  unit: string;
+  validThrough: string;
+}
+
 export interface GiveVerifiableCredential {
   "@context"?: string; // optional when embedded, eg. in an Agree
   "@type": "GiveAction";
   agent?: { identifier: string };
   description?: string;
-  fulfills?: { "@type": string; identifier: string };
+  fulfills?: { "@type": string; identifier?: string; lastClaimId?: string };
   identifier?: string;
   object?: { amountOfThisGood: number; unitCode: string };
   recipient?: { identifier: string };
@@ -77,7 +87,7 @@ export interface OfferVerifiableCredential {
   includesObject?: { amountOfThisGood: number; unitCode: string };
   itemOffered?: {
     description?: string;
-    isPartOf?: { handleId?: string; lastClaimId?: string; "@type"?: string };
+    isPartOf?: { identifier?: string; lastClaimId?: string; "@type"?: string };
   };
   offeredBy?: { identifier: string };
   validThrough?: string;
@@ -242,7 +252,7 @@ export async function createAndSubmitOffer(
     vcClaim.itemOffered = vcClaim.itemOffered || {};
     vcClaim.itemOffered.isPartOf = {
       "@type": "PlanAction",
-      handleId: fulfillsProjectHandleId,
+      identifier: fulfillsProjectHandleId,
     };
   }
   return createAndSubmitClaim(
diff --git a/src/views/ProjectViewView.vue b/src/views/ProjectViewView.vue
index b270c3a7b..3a2f4d510 100644
--- a/src/views/ProjectViewView.vue
+++ b/src/views/ProjectViewView.vue
@@ -146,13 +146,38 @@
 
     <!-- Gifts to & from this -->
     <div class="grid items-start grid-cols-1 sm:grid-cols-3 gap-4">
-      <!--
       <div class="bg-slate-100 px-4 py-3 rounded-md">
         <h3 class="text-sm uppercase font-semibold mb-3">
           Offered To This Project
         </h3>
+
+        <div v-if="offersToThis.length === 0">
+          (None yet. Record one above.)
+        </div>
+
+        <ul v-else class="text-sm border-t border-slate-300">
+          <li
+            v-for="offer in offersToThis"
+            :key="offer.id"
+            class="py-1.5 border-b border-slate-300"
+          >
+            <div class="flex justify-between gap-4">
+              <span>
+                <fa icon="user" class="fa-fw text-slate-400"></fa>
+                {{ didInfo(offer.agentDid, activeDid, allMyDids, allContacts) }}
+              </span>
+              <span v-if="offer.amount">
+                <fa icon="coins" class="fa-fw text-slate-400"></fa>
+                {{ offer.amount }}
+              </span>
+            </div>
+            <div v-if="offer.objectDescription" class="text-slate-500">
+              <fa icon="comment" class="fa-fw text-slate-400"></fa>
+              {{ offer.objectDescription }}
+            </div>
+          </li>
+        </ul>
       </div>
-      -->
 
       <div class="bg-slate-100 px-4 py-3 rounded-md">
         <h3 class="text-sm uppercase font-semibold mb-3">
@@ -244,6 +269,7 @@ import {
   didInfo,
   GiverInputInfo,
   GiveServerRecord,
+  OfferServerRecord,
   PlanServerRecord,
 } from "@/libs/endorserServer";
 import QuickNav from "@/components/QuickNav.vue";
@@ -272,10 +298,11 @@ export default class ProjectViewView extends Vue {
   fulfilledByThis: PlanServerRecord | null = null;
   fulfillersToThis: Array<PlanServerRecord> = [];
   givesToThis: Array<GiveServerRecord> = [];
+  issuer = "";
   latitude = 0;
   longitude = 0;
   name = "";
-  issuer = "";
+  offersToThis: Array<OfferServerRecord> = [];
   projectId = localStorage.getItem("projectId") || ""; // handle ID
   timeSince = "";
   truncatedDesc = "";
@@ -455,6 +482,42 @@ export default class ProjectViewView extends Vue {
       );
     }
 
+    const offersToUrl =
+      this.apiServer +
+      "/api/v2/report/offersToPlans?planIds=" +
+      encodeURIComponent(JSON.stringify([projectId]));
+    try {
+      const resp = await this.axios.get(offersToUrl, { headers });
+      if (resp.status === 200 && resp.data.data) {
+        this.offersToThis = resp.data.data;
+      } else {
+        this.$notify(
+          {
+            group: "alert",
+            type: "danger",
+            title: "Error",
+            text: "Failed to retrieve offers to this project.",
+          },
+          -1,
+        );
+      }
+    } catch (error: unknown) {
+      const serverError = error as AxiosError;
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Error",
+          text: "Something went wrong retrieving offers to this project.",
+        },
+        -1,
+      );
+      console.error(
+        "Error retrieving offers to this project:",
+        serverError.message,
+      );
+    }
+
     const fulfilledByUrl =
       this.apiServer +
       "/api/v2/report/planFulfilledByPlan?planHandleId=" +