Add settings view

Signed-off-by: Sanjula Ganepola <sanjulagane@gmail.com>

src/settingsManager.ts

@@ -1,5 +1,7 @@
-export interface Environment {
+import { Workflow } from "./workflowsManager";
 
+export interface Environment {
+    name: string
 }
 
 export interface Secret {
@@ -12,8 +14,67 @@ export interface Variable {
     value?: string
 }
 
+export interface Input {
+    key: string,
+    value?: string
+}
+
 export class SettingsManager {
-    environments: Environment[] = [];
-    secrets: Secret[] = [];
-    variables: Variable[] = [];
+    getEnvironments(workflow: Workflow): Environment[] {
+        const environments: Environment[] = [];
+        if (!workflow.yaml) {
+            return environments;
+        }
+
+        const jobs = workflow.yaml?.jobs;
+        if (jobs) {
+            for (const details of Object.values<any>(jobs)) {
+                if (details.environment) {
+                    environments.push({
+                        name: details.environment
+                    });
+                }
+            }
+        }
+
+        return environments;
+    }
+
+    getSecrets(workflow: Workflow): Secret[] {
+        const secrets: Secret[] = [];
+        if (!workflow.fileContent) {
+            return secrets;
+        }
+
+        return this.findInWorkflow(workflow.fileContent, /\${{\s*secrets\.(.*?)\s*}}/g);
+    }
+
+    getVariables(workflow: Workflow): Variable[] {
+        const variables: Variable[] = [];
+        if (!workflow.fileContent) {
+            return variables;
+        }
+
+        return this.findInWorkflow(workflow.fileContent, /\${{\s*vars\.(.*?)(?:\s*==\s*(.*?))?\s*}}/g);
+    }
+
+    getInputs(workflow: Workflow): Input[] {
+        const inputs: Variable[] = [];
+        if (!workflow.fileContent) {
+            return inputs;
+        }
+
+        return this.findInWorkflow(workflow.fileContent, /\${{\s*(?:inputs|github\.event\.inputs)\.(.*?)(?:\s*==\s*(.*?))?\s*}}/g);
+    }
+
+    private findInWorkflow(content: string, regExp: RegExp) {
+        const results: (Secret | Variable | Input)[] = [];
+
+        const matches = content.matchAll(regExp);
+        for (const match of matches) {
+            results.push({ key: match[1] });
+        }
+
+        return results;
+    }
 }