I can run simple workflow

src/components/workflows/components/WorkflowDesigner.py

@@ -184,11 +184,13 @@ class WorkflowDesigner(BaseComponent):
                                  WorkflowPlayer,
                                  settings_manager=self._settings_manager,
                                  tabs_manager=self.tabs_manager,
-                                 player_settings=WorkflowsPlayerSettings(workflow_name),
+                                 player_settings=WorkflowsPlayerSettings(workflow_name,
+                                                                         list(self._state.components.values())),
                                  boundaries=boundaries)
     
+    player.run()
+    
     self.tabs_manager.add_tab(f"Workflow {workflow_name}", player, player.key)
-    # player.start(self._state.selected_component_id)
     return self.tabs_manager.refresh()
   
   def on_processor_details_event(self, component_id: str, event_name: str, details: dict):
@@ -436,9 +438,9 @@ class WorkflowDesigner(BaseComponent):
       Fieldset(
         Legend("Presenter", cls="fieldset-legend"),
         Input(type="text",
-              name="presenter",
-              value=component.properties.get("filter", ""),
-              placeholder="Enter filter expression",
+              name="columns",
+              value=component.properties.get("columns", ""),
+              placeholder="Columns to display, separated by comma",
               cls="input w-full"),
         P("Comma separated list of columns to display. Use * to display all columns, source=dest to rename columns."),
         cls="fieldset bg-base-200 border-base-300 rounded-box border p-4"

src/components/workflows/components/WorkflowPlayer.py

@@ -1,12 +1,14 @@
+import pandas as pd
 from fasthtml.components import *
 
 from components.BaseComponent import BaseComponent
 from components.datagrid_new.components.DataGrid import DataGrid
 from components.datagrid_new.settings import DataGridSettings
 from components.workflows.commands import WorkflowPlayerCommandManager
-from components.workflows.constants import WORKFLOW_PLAYER_INSTANCE_ID
+from components.workflows.constants import WORKFLOW_PLAYER_INSTANCE_ID, ProcessorTypes
 from components.workflows.db_management import WorkflowsPlayerSettings
 from core.utils import get_unique_id, make_safe_id
+from workflow.engine import WorkflowEngine, TableDataProducer, DefaultDataPresenter
 
 grid_settings = DataGridSettings(
   header_visible=True,
@@ -36,6 +38,20 @@ class WorkflowPlayer(BaseComponent):
                               grid_settings=grid_settings,
                               boundaries=boundaries)
   
+  def run(self):
+    engine = WorkflowEngine()
+    for component in self._player_settings.components:
+      if component.type == ProcessorTypes.Producer and component.properties["processor_name"] == "Repository":
+        engine.add_processor(TableDataProducer(self._session, self._settings_manager, component.properties["repository"], component.properties["table"]))
+      elif component.type == ProcessorTypes.Presenter and component.properties["processor_name"] == "Default":
+        engine.add_processor(DefaultDataPresenter(component.properties["columns"]))
+    
+    res = engine.run_to_list()
+    
+    data = [row.as_dict() for row in res]
+    df = pd.DataFrame(data)
+    self._datagrid.init_from_dataframe(df)
+  
   def __ft__(self):
     return Div(
       self._datagrid,

src/components/workflows/db_management.py

@@ -44,6 +44,7 @@ class WorkflowsDesignerState:
 @dataclass
 class WorkflowsPlayerSettings:
   workflow_name: str = "No Name"
+  components: list[WorkflowComponent] = None
 
 
 @dataclass