feat(#17): Add an appraisal compare-by-location page

src/market/appraisal/CompareResultTable.vue

@@ -0,0 +1,128 @@
+<script setup lang="ts">
+import {SortableHeader, useSort, VirtualScrollTable} from '@/components/table';
+import {MarketTypeLabel} from '@/market/type';
+import {computed} from 'vue';
+import {MarketLocation} from '../location';
+import IskLabel from '../IskLabel.vue';
+import {ComparedItem} from './compare';
+
+interface Props {
+    result?: ComparedItem[];
+    locations?: MarketLocation[];
+}
+
+const props = withDefaults(defineProps<Props>(), {
+    result: () => [],
+    locations: () => []
+});
+
+const buyKey = (id: number): `buy:${number}` => `buy:${id}`;
+const sellKey = (id: number): `sell:${number}` => `sell:${id}`;
+
+type SortableItem = ComparedItem & Record<`buy:${number}` | `sell:${number}`, number>;
+
+const rows = computed<SortableItem[]>(() => props.result.map(item => {
+    const sortable = {...item} as SortableItem;
+
+    props.locations.forEach(l => {
+        const price = item.prices[l.id];
+        sortable[buyKey(l.id)] = price?.buy ?? 0;
+        sortable[sellKey(l.id)] = price?.sell ?? 0;
+    });
+
+    return sortable;
+}));
+
+const {sortedArray, headerProps} = useSort(rows, {
+    defaultSortKey: 'name',
+    defaultSortDirection: 'asc'
+});
+
+const bestBuy = (row: ComparedItem): number | undefined => {
+    let best: number | undefined;
+    let bestValue = -Infinity;
+    props.locations.forEach(l => {
+        const cell = row.prices[l.id];
+        if (cell && cell.buy > bestValue) {
+            bestValue = cell.buy;
+            best = l.id;
+        }
+    });
+    return bestValue > 0 ? best : undefined;
+};
+
+const bestSell = (row: ComparedItem): number | undefined => {
+    let best: number | undefined;
+    let bestValue = -Infinity;
+    props.locations.forEach(l => {
+        const cell = row.prices[l.id];
+        if (cell && cell.sell > bestValue) {
+            bestValue = cell.sell;
+            best = l.id;
+        }
+    });
+    return bestValue > 0 ? best : undefined;
+};
+
+const totals = computed(() => new Map(props.locations.map(l => [l.id, props.result.reduce((acc, row) => {
+    const cell = row.prices[l.id];
+    return {
+        buy: acc.buy + (cell?.buy ?? 0),
+        sell: acc.sell + (cell?.sell ?? 0),
+    };
+}, {buy: 0, sell: 0})])));
+</script>
+
+<template>
+    <VirtualScrollTable :list="sortedArray" :itemHeight="33" :headerHeight="66" :footerHeight="33" bottom="1rem">
+        <template #default="{ list }">
+            <thead>
+                <tr>
+                    <SortableHeader v-bind="headerProps" sortKey="name" rowspan="2">Item</SortableHeader>
+                    <SortableHeader v-bind="headerProps" sortKey="quantity" rowspan="2">Qty</SortableHeader>
+                    <th v-for="location in locations" :key="location.id" colspan="2" class="text-center border-l border-slate-500" :title="location.name">
+                        {{ location.systemName }}
+                    </th>
+                </tr>
+                <tr>
+                    <template v-for="location in locations" :key="location.id">
+                        <SortableHeader v-bind="headerProps" :sortKey="buyKey(location.id)" class="border-l border-slate-500">Buy</SortableHeader>
+                        <SortableHeader v-bind="headerProps" :sortKey="sellKey(location.id)">Sell</SortableHeader>
+                    </template>
+                </tr>
+            </thead>
+            <tbody>
+                <tr v-for="r in list" :key="r.data.typeId">
+                    <td>
+                        <MarketTypeLabel :id="r.data.typeId" :name="r.data.name" />
+                    </td>
+                    <td class="text-right">{{ r.data.quantity.toLocaleString() }}</td>
+                    <template v-for="location in locations" :key="location.id">
+                        <td class="text-right border-l border-slate-500" :class="r.data.prices[location.id] ? (bestBuy(r.data) === location.id ? 'bg-emerald-500' : 'bg-amber-900') : ''">
+                            <IskLabel v-if="r.data.prices[location.id]" :amount="r.data.prices[location.id].buy" :colored="false" />
+                            <span v-else>-</span>
+                        </td>
+                        <td class="text-right" :class="r.data.prices[location.id] ? (bestSell(r.data) === location.id ? 'bg-emerald-500' : 'bg-amber-900') : ''">
+                            <IskLabel v-if="r.data.prices[location.id]" :amount="r.data.prices[location.id].sell" :colored="false" />
+                            <span v-else>-</span>
+                        </td>
+                    </template>
+                </tr>
+            </tbody>
+            <tfoot>
+                <tr>
+                    <td colspan="2" class="font-semibold">Total</td>
+                    <template v-for="location in locations" :key="location.id">
+                        <td class="text-right border-l border-slate-500"><IskLabel :amount="totals.get(location.id)?.buy ?? 0" :colored="false" /></td>
+                        <td class="text-right"><IskLabel :amount="totals.get(location.id)?.sell ?? 0" :colored="false" /></td>
+                    </template>
+                </tr>
+            </tfoot>
+        </template>
+        <template #empty>
+            <div class="text-center mt-4">
+                <span>No items found</span>
+            </div>
+        </template>
+    </VirtualScrollTable>
+</template>

src/market/appraisal/MarketTypePrice.ts

@@ -8,4 +8,4 @@ export type MarketTypePrice = {
     orderCount: number;
 };
 
-export type PriceGetter = (types: MarketType[]) => Promise<MarketTypePrice[]>;
+export type PriceGetter = (types: MarketType[], locationId?: number) => Promise<MarketTypePrice[]>;

src/market/appraisal/appraisal.ts

@@ -13,14 +13,14 @@ export const useAppraisalStore = defineStore('appraisal', () => {
 
     const getPricesUncached = getMammonPrices;
 
-    const getPrice = async (type: MarketType, regionId?: number): Promise<MarketTypePrice> => (await getPrices([type], regionId))[0];
-    const getPrices = async (types: MarketType[], regionId?: number): Promise<MarketTypePrice[]> => {
+    const getPrice = async (type: MarketType, locationId?: number): Promise<MarketTypePrice> => (await getPrices([type], locationId))[0];
+    const getPrices = async (types: MarketType[], locationId?: number): Promise<MarketTypePrice[]> => {
         const cached: MarketTypePrice[] = [];
         const uncached: MarketType[] = [];
-        const rId = regionId ?? jitaId;
+        const lId = locationId ?? jitaId;
 
         types.forEach(t => {
-            const cachedPrice = cache.get(rId, t.id);
+            const cachedPrice = cache.get(lId, t.id);
 
             if (cachedPrice) {
                 cached.push(cachedPrice);
@@ -33,12 +33,12 @@ export const useAppraisalStore = defineStore('appraisal', () => {
             const batches: Promise<MarketTypePrice[]>[] = [];
 
             for (let i = 0; i < uncached.length; i += BATCH_SIZE) {
-                batches.push(getPricesUncached(uncached.slice(i, i + BATCH_SIZE)));
+                batches.push(getPricesUncached(uncached.slice(i, i + BATCH_SIZE), lId));
             }
 
             const prices = (await Promise.all(batches)).flat();
 
-            prices.forEach(p => cache.set(rId, p.type.id, p));
+            prices.forEach(p => cache.set(lId, p.type.id, p));
             return [ ...cached, ...prices ];
         }
         return cached;

src/market/appraisal/compare.ts

@@ -0,0 +1,66 @@
+import {marketApi} from '@/mammon';
+import {getMarketTypes, MarketType} from '../type';
+import {MarketTypePrice} from './MarketTypePrice';
+
+export type LocationPrice = {
+    buyUnit: number;
+    sellUnit: number;
+    buy: number;
+    sell: number;
+};
+
+export type ComparedItem = {
+    typeId: number;
+    name: string;
+    quantity: number;
+    volume: number;
+    prices: Record<number, LocationPrice>;
+};
+
+export type PricesForLocation = (types: MarketType[], locationId: number) => Promise<MarketTypePrice[]>;
+
+export const compareAppraisal = async (
+    raw: string,
+    locationIds: number[],
+    getPrices: PricesForLocation
+): Promise<ComparedItem[]> => {
+    if (!raw?.trim() || locationIds.length === 0) {
+        return [];
+    }
+
+    const stacks = await marketApi.parseStacks(raw).then(r => r.data);
+
+    if (stacks.length === 0) {
+        return [];
+    }
+
+    const quantities = new Map(stacks.map(s => [s.marketTypeId, s.quantity]));
+    const types = await getMarketTypes(stacks.map(s => s.marketTypeId));
+
+    const rows = new Map<number, ComparedItem>(types.map(t => [t.id, {
+        typeId: t.id,
+        name: t.name,
+        quantity: quantities.get(t.id) ?? 0,
+        volume: t.volume,
+        prices: {},
+    }]));
+
+    const pricesByLocation = await Promise.all(
+        locationIds.map(async locationId => [locationId, await getPrices(types, locationId)] as const)
+    );
+
+    pricesByLocation.forEach(([locationId, prices]) => prices.forEach(p => {
+        const row = rows.get(p.type.id);
+
+        if (row) {
+            row.prices[locationId] = {
+                buyUnit: p.buy,
+                sellUnit: p.sell,
+                buy: p.buy * row.quantity,
+                sell: p.sell * row.quantity,
+            };
+        }
+    }));
+
+    return [...rows.values()];
+};

src/market/appraisal/index.ts

@@ -1,5 +1,7 @@
 export * from './MarketTypePrice';
 export * from './appraisal';
 export * from './appraise';
+export * from './compare';
 
 export { default as AppraisalResultTable } from './AppraisalResultTable.vue';
+export { default as CompareResultTable } from './CompareResultTable.vue';

src/market/appraisal/mammon.ts

@@ -1,13 +1,13 @@
 import {marketApi} from '@/mammon/mammonService';
 import {MarketTypePrice, PriceGetter} from './MarketTypePrice';
 
-export const getMammonPrices: PriceGetter = async types => {
+export const getMammonPrices: PriceGetter = async (types, locationId) => {
     if (types.length === 0) {
         return [];
     }
 
     const typesById = new Map(types.map(t => [t.id, t]));
-    const response = await marketApi.currentPrices(types.map(t => t.id));
+    const response = await marketApi.currentPrices(types.map(t => t.id), locationId);
 
     return response.data.reduce<MarketTypePrice[]>((prices, p) => {
         const type = typesById.get(p.marketTypeId);