1 files changed, 78 insertions, 0 deletions
diff --git a/opendc-web/opendc-web-ui/src/data/project.js b/opendc-web/opendc-web-ui/src/data/project.js
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+++ b/opendc-web/opendc-web-ui/src/data/project.js
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+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import { useSelector } from 'react-redux'
+
+/**
+ * Return the current active project.
+ */
+export function useActiveProject() {
+    return useSelector((state) =>
+        state.currentProjectId !== '-1' ? state.objects.project[state.currentProjectId] : undefined
+    )
+}
+
+/**
+ * Return the active portfolio.
+ */
+export function useActivePortfolio() {
+    return useSelector((state) => state.objects.portfolio[state.currentPortfolioId])
+}
+
+/**
+ * Return the active scenario.
+ */
+export function useActiveScenario() {
+    return useSelector((state) => state.objects.scenario[state.currentScenarioId])
+}
+
+/**
+ * Return the portfolios for the specified project id.
+ */
+export function usePortfolios(projectId) {
+    return useSelector((state) => {
+        let portfolios = state.objects.project[projectId]
+            ? state.objects.project[projectId].portfolioIds.map((t) => state.objects.portfolio[t])
+            : []
+        if (portfolios.filter((t) => !t).length > 0) {
+            portfolios = []
+        }
+
+        return portfolios
+    })
+}
+
+/**
+ * Return the scenarios for the specified portfolio id.
+ */
+export function useScenarios(portfolioId) {
+    return useSelector((state) => {
+        let scenarios = state.objects.portfolio[portfolioId]
+            ? state.objects.portfolio[portfolioId].scenarioIds.map((t) => state.objects.scenario[t])
+            : []
+        if (scenarios.filter((t) => !t).length > 0) {
+            scenarios = []
+        }
+
+        return scenarios
+    })
+}