add a python script to generate a dependency graph for the readme (#11)

.gitignore

@@ -59,3 +59,6 @@ Icon
 Network Trash Folder
 Temporary Items
 .apdisk
+
+# Dependency Graph
+dependency_graph

Readme.md

@@ -78,6 +78,12 @@ An Offline first Android app to consume the SpaceX Backend API [`https://github.
 - [Gradle Convention Plugins](https://docs.gradle.org/current/samples/sample_convention_plugins.html) | PR [#5](https://github.com/nisrulz/android-spacex-app/pull/5) [#7](https://github.com/nisrulz/android-spacex-app/pull/7)
 - [Github Actions](https://docs.github.com/en/actions) | [Workflows used](.github/workflows)
 
+## Dependency Graph
+
+<img src="dependency_graph.svg" alt="Dependency Graph" />
+
+> To generate this graph, simply run `python3 generate_dependency_graph.py` in the root directory.
+
 ## Project Requirements
 
 - Java 11+

generate_dependency_graph.py

@@ -0,0 +1,43 @@
+import os
+from pathlib import Path
+import re
+from graphviz import Digraph
+
+# Root directory of the Android project i.e Current Directory
+root_dir = os.getcwd()
+
+# Find all build.gradle files in the project directory and its subdirectories
+build_files = [str(f) for f in Path(root_dir).rglob("build.gradle.kts")]
+
+# Create a dictionary to store the dependencies graph
+dependencies_graph = {}
+
+# Define a function to extract dependencies from a build.gradle file
+def extract_dependencies(file_path):
+    with open(file_path, 'r') as file:
+        content = file.read()
+        dependencies_block_match = re.search(r'dependencies\s*{([^}]*)}', content)
+        if dependencies_block_match:
+            dependencies_block = dependencies_block_match.group(1)
+            dependencies = re.findall(r'\(([^)]*)\)', dependencies_block)
+            return [dep.replace("projects.", "") for dep in dependencies if dep.startswith("projects.")]
+        else:
+            return []
+
+# Populate the dependencies graph
+for build_file in build_files:
+    module = os.path.dirname(build_file).replace(root_dir, '').lstrip('/').replace('/', '.')
+    dependencies_graph[module] = extract_dependencies(build_file)
+
+# Create a Digraph object
+dot = Digraph(format='svg')
+dot.attr('node', shape='box3d', style='filled', fillcolor='lightblue')
+dot.attr('graph', splines='polyline')
+
+# Add nodes and edges to the graph
+for module, deps in dependencies_graph.items():
+    for dep in deps:
+        dot.edge(module, dep)
+
+# Save the graph to a SVG file
+dot.render('dependency_graph')