Add roster API for scripts to set environment variables

src/environments_dialog.py

@@ -37,10 +37,11 @@ class EnvironmentsDialog(Adw.Dialog):
         'environments-updated': (GObject.SIGNAL_RUN_FIRST, None, ()),
     }
 
-    def __init__(self, project, project_manager):
+    def __init__(self, project, project_manager, recently_updated_variables=None):
         super().__init__()
         self.project = project
         self.project_manager = project_manager
+        self.recently_updated_variables = recently_updated_variables or {}
         self.size_group = Gtk.SizeGroup(mode=Gtk.SizeGroupMode.HORIZONTAL)
         self.header_row = None
         self.data_rows = []
@@ -71,10 +72,14 @@ class EnvironmentsDialog(Adw.Dialog):
 
         # Create data rows for each variable
         for var_name in self.project.variable_names:
+            # Check if variable was recently updated
+            update_timestamp = self.recently_updated_variables.get(var_name)
+
             row = VariableDataRow(
                 var_name,
                 self.project.environments,
-                self.size_group
+                self.size_group,
+                update_timestamp=update_timestamp
             )
             row.connect('variable-changed',
                        self._on_variable_changed, var_name, row)

src/project_manager.py

@@ -269,3 +269,24 @@ class ProjectManager:
                         break
                 break
         self.save_projects(projects)
+
+    def batch_update_environment_variables(self, project_id: str, env_id: str, variables: dict):
+        """
+        Update multiple variables in an environment in one operation.
+
+        Args:
+            project_id: Project ID
+            env_id: Environment ID
+            variables: Dict of variable_name -> value pairs to update
+        """
+        projects = self.load_projects()
+        for p in projects:
+            if p.id == project_id:
+                for env in p.environments:
+                    if env.id == env_id:
+                        # Update all variables
+                        for var_name, var_value in variables.items():
+                            env.variables[var_name] = var_value
+                        break
+                break
+        self.save_projects(projects)

src/request_tab_widget.py

@@ -863,6 +863,24 @@ class RequestTabWidget(Gtk.Box):
             self.script_status_icon.set_from_icon_name("dialog-error-symbolic")
             output_text = script_result.error if script_result.error else "Unknown error"
 
+        # Append variable updates to output
+        if script_result.variable_updates:
+            if output_text:
+                output_text += "\n"
+            output_text += "\n--- Variables Set ---"
+            for var_name, var_value in script_result.variable_updates.items():
+                # Truncate long values for display
+                display_value = var_value if len(var_value) <= 50 else var_value[:47] + "..."
+                output_text += f"\n>>> {var_name} = '{display_value}'"
+
+        # Append warnings to output
+        if script_result.warnings:
+            if output_text:
+                output_text += "\n"
+            output_text += "\n--- Warnings ---"
+            for warning in script_result.warnings:
+                output_text += f"\n⚠ {warning}"
+
         # Set output text
         buffer = self.script_output_textview.get_buffer()
         buffer.set_text(output_text)

src/script_executor.py

@@ -20,9 +20,13 @@
 import subprocess
 import json
 import tempfile
+import re
 from pathlib import Path
-from typing import Tuple, Optional
+from typing import Tuple, Optional, Dict, List, TYPE_CHECKING
-from dataclasses import dataclass
+from dataclasses import dataclass, field
+
+if TYPE_CHECKING:
+    from .project_manager import ProjectManager
 
 
 @dataclass
@@ -31,6 +35,16 @@ class ScriptResult:
     success: bool
     output: str  # console.log output or error message
     error: Optional[str] = None
+    variable_updates: Dict[str, str] = field(default_factory=dict)  # Variables set by script
+    warnings: List[str] = field(default_factory=list)  # Warnings (e.g., no env selected)
+
+
+@dataclass
+class ScriptContext:
+    """Context passed to script executor for variable updates."""
+    project_id: Optional[str]
+    environment_id: Optional[str]
+    project_manager: 'ProjectManager'
 
 
 class ScriptExecutor:
@@ -39,16 +53,21 @@ class ScriptExecutor:
     TIMEOUT_SECONDS = 5
 
     @staticmethod
-    def execute_postprocessing_script(script_code: str, response) -> ScriptResult:
+    def execute_postprocessing_script(
+        script_code: str,
+        response,
+        context: Optional[ScriptContext] = None
+    ) -> ScriptResult:
         """
         Execute postprocessing script with response object.
 
         Args:
             script_code: JavaScript code to execute
             response: HttpResponse object
+            context: Optional context for variable updates
 
         Returns:
-            ScriptResult with output or error
+            ScriptResult with output, variable updates, or error
         """
         if not script_code.strip():
             return ScriptResult(success=True, output="")
@@ -60,6 +79,21 @@ class ScriptExecutor:
         script_with_context = f"""
 const response = {json.dumps(response_obj)};
 
+// Roster API for variable management
+const roster = {{
+    __variables: {{}},
+    setVariable: function(name, value) {{
+        this.__variables[String(name)] = String(value);
+    }},
+    setVariables: function(obj) {{
+        for (let key in obj) {{
+            if (obj.hasOwnProperty(key)) {{
+                this.__variables[String(key)] = String(obj[key]);
+            }}
+        }}
+    }}
+}};
+
 // Capture console.log output
 let consoleOutput = [];
 const console = {{
@@ -76,8 +110,10 @@ try {{
     throw error;
 }}
 
-// Output results
+// Output results: console logs + separator + variables JSON
 print(consoleOutput.join('\\n'));
+print('___ROSTER_VARIABLES___');
+print(JSON.stringify(roster.__variables));
 """
 
         # Execute with gjs
@@ -86,8 +122,37 @@ print(consoleOutput.join('\\n'));
             timeout=ScriptExecutor.TIMEOUT_SECONDS
         )
 
+        # Parse output and extract variables
+        console_output = ""
+        variable_updates = {}
+        warnings = []
+
         if returncode == 0:
-            return ScriptResult(success=True, output=output.strip())
+            # Split output into console logs and variables JSON
+            parts = output.split('___ROSTER_VARIABLES___')
+            console_output = parts[0].strip()
+
+            if len(parts) > 1:
+                try:
+                    variables_json = parts[1].strip()
+                    raw_variables = json.loads(variables_json)
+
+                    # Validate variable names and add to updates
+                    for name, value in raw_variables.items():
+                        if ScriptExecutor._is_valid_variable_name(name):
+                            variable_updates[name] = value
+                        else:
+                            warnings.append(f"Invalid variable name '{name}' (must be alphanumeric + underscore)")
+
+                except json.JSONDecodeError:
+                    warnings.append("Failed to parse variable updates from script")
+
+            return ScriptResult(
+                success=True,
+                output=console_output,
+                variable_updates=variable_updates,
+                warnings=warnings
+            )
         else:
             error_msg = error.strip() if error else "Script execution failed"
             return ScriptResult(success=False, output="", error=error_msg)
@@ -112,6 +177,19 @@ print(consoleOutput.join('\\n'));
             'responseTime': response.response_time_ms
         }
 
+    @staticmethod
+    def _is_valid_variable_name(name: str) -> bool:
+        """
+        Validate variable name (alphanumeric + underscore).
+
+        Args:
+            name: Variable name to validate
+
+        Returns:
+            True if valid, False otherwise
+        """
+        return bool(re.match(r'^\w+$', name))
+
     @staticmethod
     def _run_gjs_script(script_code: str, timeout: int = 5) -> Tuple[str, str, int]:
         """

src/widgets/variable_data_row.py

@@ -17,7 +17,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-from gi.repository import Gtk, GObject
+from gi.repository import Gtk, GObject, GLib
+from datetime import datetime, timedelta
 
 
 @Gtk.Template(resource_path='/cz/vesp/roster/widgets/variable-data-row.ui')
@@ -37,12 +38,13 @@ class VariableDataRow(Gtk.Box):
         'value-changed': (GObject.SIGNAL_RUN_FIRST, None, (str, str)),  # env_id, value
     }
 
-    def __init__(self, variable_name, environments, size_group):
+    def __init__(self, variable_name, environments, size_group, update_timestamp=None):
         super().__init__()
         self.variable_name = variable_name
         self.environments = environments
         self.size_group = size_group
         self.value_entries = {}
+        self.update_timeout_id = None
 
         # Set variable name
         self.name_entry.set_text(variable_name)
@@ -53,6 +55,10 @@ class VariableDataRow(Gtk.Box):
 
         self._populate_values()
 
+        # Apply visual marking if recently updated
+        if update_timestamp:
+            self._apply_update_marking(update_timestamp)
+
     def _populate_values(self):
         """Populate value entries for each environment."""
         # Clear existing
@@ -104,3 +110,52 @@ class VariableDataRow(Gtk.Box):
         """Refresh with updated environments list."""
         self.environments = environments
         self._populate_values()
+
+    def _apply_update_marking(self, timestamp_str):
+        """
+        Apply visual marking to show variable was recently updated.
+
+        Args:
+            timestamp_str: ISO format timestamp of when variable was updated
+        """
+        try:
+            # Parse timestamp
+            update_time = datetime.fromisoformat(timestamp_str)
+            time_diff = datetime.now() - update_time
+
+            # Only apply marking if updated within last 3 minutes
+            if time_diff < timedelta(minutes=3):
+                # Add CSS class for visual styling
+                self.add_css_class('recently-updated')
+
+                # Set tooltip with update time
+                seconds_ago = int(time_diff.total_seconds())
+                if seconds_ago < 10:
+                    tooltip_text = "✨ Updated just now by script"
+                elif seconds_ago < 60:
+                    tooltip_text = f"✨ Updated {seconds_ago} seconds ago by script"
+                else:
+                    minutes_ago = seconds_ago // 60
+                    if minutes_ago == 1:
+                        tooltip_text = "✨ Updated 1 minute ago by script"
+                    else:
+                        tooltip_text = f"✨ Updated {minutes_ago} minutes ago by script"
+
+                self.set_tooltip_text(tooltip_text)
+
+                # Keep highlighting visible for 60 seconds (plenty of time to see it)
+                if self.update_timeout_id:
+                    GLib.source_remove(self.update_timeout_id)
+
+                self.update_timeout_id = GLib.timeout_add_seconds(60, self._remove_update_marking)
+
+        except (ValueError, AttributeError):
+            # Invalid timestamp format, skip marking
+            pass
+
+    def _remove_update_marking(self):
+        """Remove visual marking after timeout."""
+        self.remove_css_class('recently-updated')
+        self.set_tooltip_text("")
+        self.update_timeout_id = None
+        return False  # Don't repeat timeout

src/window.py

@@ -68,6 +68,10 @@ class RosterWindow(Adw.ApplicationWindow):
         self.page_to_tab = {}  # AdwTabPage -> RequestTab
         self.current_tab_id = None
 
+        # Track recently updated variables for visual marking
+        # Format: {project_id: {var_name: timestamp}}
+        self.recently_updated_variables = {}
+
         # Connect to tab view signals
         self.tab_view.connect('close-page', self._on_tab_close_page)
         self.tab_view.connect('notify::selected-page', self._on_tab_selected)
@@ -155,6 +159,22 @@ class RosterWindow(Adw.ApplicationWindow):
             entry.warning {
                 background-color: mix(@warning_bg_color, @view_bg_color, 0.3);
             }
+
+            /* Visual marking for recently updated variables */
+            .recently-updated {
+                background: linear-gradient(90deg,
+                    mix(@success_bg_color, @view_bg_color, 0.25),
+                    mix(@success_bg_color, @view_bg_color, 0.05));
+                border-left: 4px solid @success_color;
+                border-radius: 6px;
+                transition: all 0.3s ease;
+            }
+
+            .recently-updated:hover {
+                background: linear-gradient(90deg,
+                    mix(@success_bg_color, @view_bg_color, 0.35),
+                    mix(@success_bg_color, @view_bg_color, 0.15));
+            }
         """)
 
         Gtk.StyleContext.add_provider_for_display(
@@ -447,12 +467,29 @@ class RosterWindow(Adw.ApplicationWindow):
                 # Execute postprocessing script if exists
                 scripts = widget.get_scripts()
                 if scripts and scripts.postprocessing.strip():
-                    from .script_executor import ScriptExecutor
+                    from .script_executor import ScriptExecutor, ScriptContext
+
+                    # Create context for variable updates
+                    context = None
+                    if widget.project_id and widget.selected_environment_id:
+                        context = ScriptContext(
+                            project_id=widget.project_id,
+                            environment_id=widget.selected_environment_id,
+                            project_manager=self.project_manager
+                        )
+
+                    # Execute script with context
                     script_result = ScriptExecutor.execute_postprocessing_script(
                         scripts.postprocessing,
-                        response
+                        response,
+                        context
                     )
+
+                    # Display script results
                     widget.display_script_results(script_result)
+
+                    # Process variable updates
+                    self._process_variable_updates(script_result, widget, context)
                 else:
                     widget._clear_script_results()
             else:
@@ -559,6 +596,85 @@ class RosterWindow(Adw.ApplicationWindow):
 
         self._show_toast("Request loaded from history")
 
+    def _process_variable_updates(self, script_result, widget, context):
+        """
+        Process variable updates from postprocessing script.
+
+        Args:
+            script_result: ScriptResult containing variable updates
+            widget: RequestTabWidget instance
+            context: ScriptContext or None
+        """
+        # Check if there are any variable updates
+        if not script_result.variable_updates:
+            return
+
+        # Show warnings if context is missing
+        if not context or not context.project_id or not context.environment_id:
+            if widget.project_id:
+                self._show_toast("Cannot set variables: no environment selected")
+            else:
+                self._show_toast("Cannot set variables: tab not associated with project")
+            return
+
+        # Get project and environment
+        projects = self.project_manager.load_projects()
+        project = None
+        environment = None
+
+        for p in projects:
+            if p.id == context.project_id:
+                project = p
+                for env in p.environments:
+                    if env.id == context.environment_id:
+                        environment = env
+                        break
+                break
+
+        if not project or not environment:
+            self._show_toast("Cannot set variables: project or environment not found")
+            return
+
+        # Process each variable update
+        created_vars = []
+        updated_vars = []
+
+        # First pass: identify and create missing variables
+        for var_name in script_result.variable_updates.keys():
+            if var_name not in project.variable_names:
+                # Auto-create variable
+                self.project_manager.add_variable(context.project_id, var_name)
+                created_vars.append(var_name)
+            else:
+                updated_vars.append(var_name)
+
+        # Second pass: batch update all variable values
+        self.project_manager.batch_update_environment_variables(
+            context.project_id,
+            context.environment_id,
+            script_result.variable_updates
+        )
+
+        # Track updated variables for visual marking
+        if context.project_id not in self.recently_updated_variables:
+            self.recently_updated_variables[context.project_id] = {}
+
+        current_time = datetime.now().isoformat()
+        for var_name in script_result.variable_updates.keys():
+            self.recently_updated_variables[context.project_id][var_name] = current_time
+
+        # Show toast notification
+        env_name = environment.name
+        if created_vars and updated_vars:
+            vars_list = ', '.join(created_vars + updated_vars)
+            self._show_toast(f"Created {len(created_vars)} and updated {len(updated_vars)} variables in {env_name}")
+        elif created_vars:
+            vars_list = ', '.join(created_vars)
+            self._show_toast(f"Created {len(created_vars)} variable(s) in {env_name}: {vars_list}")
+        elif updated_vars:
+            vars_list = ', '.join(updated_vars)
+            self._show_toast(f"Updated {len(updated_vars)} variable(s) in {env_name}: {vars_list}")
+
     def _show_toast(self, message):
         """Show a toast notification."""
         toast = Adw.Toast()
@@ -689,7 +805,21 @@ class RosterWindow(Adw.ApplicationWindow):
 
     def _on_manage_environments(self, widget, project):
         """Show environments management dialog."""
-        dialog = EnvironmentsDialog(project, self.project_manager)
+        # Reload project from disk to get latest data (including variables created by scripts)
+        projects = self.project_manager.load_projects()
+        fresh_project = None
+        for p in projects:
+            if p.id == project.id:
+                fresh_project = p
+                break
+
+        if not fresh_project:
+            fresh_project = project  # Fallback to original if not found
+
+        # Get recently updated variables for this project
+        recently_updated = self.recently_updated_variables.get(project.id, {})
+
+        dialog = EnvironmentsDialog(fresh_project, self.project_manager, recently_updated)
 
         def on_environments_updated(dlg):
             # Reload projects to reflect changes