Add React components for showing model alert results (#3495)

extensions/ql-vscode/src/model-editor/model-alerts/model-alerts.ts

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+import type { AnalysisAlert } from "../../variant-analysis/shared/analysis-result";
+import type { ModeledMethod } from "../modeled-method";
+
+export interface ModelAlerts {
+  model: ModeledMethod;
+  alerts: AnalysisAlert[];
+}

extensions/ql-vscode/src/stories/model-alerts/ModelAlertsResults.stories.tsx

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+import type { Meta, StoryFn } from "@storybook/react";
+
+import { ModelAlertsResults as ModelAlertsResultsComponent } from "../../view/model-alerts/ModelAlertsResults";
+import { createSinkModeledMethod } from "../../../test/factories/model-editor/modeled-method-factories";
+import { createMockAnalysisAlert } from "../../../test/factories/variant-analysis/shared/analysis-alert";
+
+export default {
+  title: "Model Alerts/Model Alerts Results",
+  component: ModelAlertsResultsComponent,
+} as Meta<typeof ModelAlertsResultsComponent>;
+
+const Template: StoryFn<typeof ModelAlertsResultsComponent> = (args) => (
+  <ModelAlertsResultsComponent {...args} />
+);
+
+export const ModelAlertsResults = Template.bind({});
+ModelAlertsResults.args = {
+  modelAlerts: {
+    model: createSinkModeledMethod(),
+    alerts: [createMockAnalysisAlert()],
+  },
+};

extensions/ql-vscode/src/view/model-alerts/ModelAlertsResults.tsx

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+import { styled } from "styled-components";
+import type { ModelAlerts } from "../../model-editor/model-alerts/model-alerts";
+import { Codicon } from "../common";
+import { useState } from "react";
+import { VSCodeBadge } from "@vscode/webview-ui-toolkit/react";
+import { formatDecimal } from "../../common/number";
+import AnalysisAlertResult from "../variant-analysis/AnalysisAlertResult";
+import { MethodName } from "../model-editor/MethodName";
+import { ModelDetails } from "./ModelDetails";
+
+// This will ensure that these icons have a className which we can use in the TitleContainer
+const ExpandCollapseCodicon = styled(Codicon)``;
+
+const TitleContainer = styled.button`
+  display: flex;
+  gap: 0.5em;
+  align-items: center;
+  width: 100%;
+
+  color: var(--vscode-editor-foreground);
+  background-color: transparent;
+  border: none;
+  cursor: pointer;
+
+  &:disabled {
+    cursor: default;
+
+    ${ExpandCollapseCodicon} {
+      color: var(--vscode-disabledForeground);
+    }
+  }
+`;
+
+const ModelTypeText = styled.span`
+  font-size: 0.85em;
+  color: var(--vscode-descriptionForeground);
+`;
+
+const ModelDetailsContainer = styled.div`
+  padding-top: 10px;
+`;
+
+const AlertsContainer = styled.ul`
+  list-style-type: none;
+  margin: 1em 0 0;
+  padding: 0.5em 0 0 0;
+`;
+
+const Alert = styled.li`
+  margin-bottom: 1em;
+  background-color: var(--vscode-notifications-background);
+`;
+
+interface Props {
+  modelAlerts: ModelAlerts;
+}
+
+export const ModelAlertsResults = ({
+  modelAlerts,
+}: Props): React.JSX.Element => {
+  const [isExpanded, setExpanded] = useState(true);
+  return (
+    <div>
+      <TitleContainer onClick={() => setExpanded(!isExpanded)}>
+        {isExpanded && (
+          <ExpandCollapseCodicon name="chevron-down" label="Collapse" />
+        )}
+        {!isExpanded && (
+          <ExpandCollapseCodicon name="chevron-right" label="Expand" />
+        )}
+        <VSCodeBadge>{formatDecimal(modelAlerts.alerts.length)}</VSCodeBadge>
+        <MethodName {...modelAlerts.model}></MethodName>
+        <ModelTypeText>{modelAlerts.model.type}</ModelTypeText>
+      </TitleContainer>
+      {isExpanded && (
+        <>
+          <ModelDetailsContainer>
+            <ModelDetails model={modelAlerts.model} />
+          </ModelDetailsContainer>
+          <AlertsContainer>
+            {modelAlerts.alerts.map((r, i) => (
+              <Alert key={i}>
+                <AnalysisAlertResult alert={r} />
+              </Alert>
+            ))}
+          </AlertsContainer>
+        </>
+      )}
+    </div>
+  );
+};

extensions/ql-vscode/src/view/model-alerts/ModelDetails.tsx

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+import { styled } from "styled-components";
+import {
+  modeledMethodSupportsInput,
+  modeledMethodSupportsKind,
+  modeledMethodSupportsOutput,
+} from "../../model-editor/modeled-method";
+import type { ModeledMethod } from "../../model-editor/modeled-method";
+
+const DetailsContainer = styled.div`
+  display: flex;
+`;
+
+const Detail = styled.span`
+  display: flex;
+  margin-right: 30px;
+`;
+
+const Label = styled.span`
+  color: var(--vscode-descriptionForeground);
+  margin-right: 10px;
+`;
+
+const Value = styled.span``;
+
+export const ModelDetails = ({ model }: { model: ModeledMethod }) => {
+  return (
+    <DetailsContainer>
+      <Detail>
+        <Label>Model type:</Label>
+        <Value>{model.type}</Value>
+      </Detail>
+      {modeledMethodSupportsInput(model) && (
+        <Detail>
+          <Label>Input:</Label>
+          <Value>{model.input}</Value>
+        </Detail>
+      )}
+      {modeledMethodSupportsOutput(model) && (
+        <Detail>
+          <Label>Output:</Label>
+          <Value>{model.output}</Value>
+        </Detail>
+      )}
+      {modeledMethodSupportsKind(model) && (
+        <Detail>
+          <Label>Kind:</Label>
+          <Value>{model.kind}</Value>
+        </Detail>
+      )}
+    </DetailsContainer>
+  );
+};