validation1 for the form

client/src/services/grpc_client.rs

@@ -26,6 +26,14 @@ use common::proto::komp_ac::tables_data::{
 };
 use crate::search::SearchGrpc;
 use common::proto::komp_ac::search::SearchResponse;
+use common::proto::komp_ac::table_validation::{
+    table_validation_service_client::TableValidationServiceClient,
+    GetTableValidationRequest,
+    TableValidationResponse,
+    CountMode as PbCountMode,
+    FieldValidation as PbFieldValidation,
+    CharacterLimits as PbCharacterLimits,
+};
 use anyhow::{Context, Result};
 use std::collections::HashMap;
 use tonic::transport::{Channel, Endpoint};
@@ -40,6 +48,7 @@ pub struct GrpcClient {
     table_script_client: TableScriptClient<Channel>,
     tables_data_client: TablesDataClient<Channel>,
     search_client: SearchGrpc,
+    table_validation_client: TableValidationServiceClient<Channel>,
 }
 
 impl GrpcClient {
@@ -63,6 +72,8 @@ impl GrpcClient {
         let table_script_client = TableScriptClient::new(channel.clone());
         let tables_data_client = TablesDataClient::new(channel.clone());
         let search_client = SearchGrpc::new(channel.clone());
+        let table_validation_client =
+            TableValidationServiceClient::new(channel.clone());
 
         Ok(Self {
             channel,
@@ -71,6 +82,7 @@ impl GrpcClient {
             table_script_client,
             tables_data_client,
             search_client,
+            table_validation_client,
         })
     }
 
@@ -79,6 +91,24 @@ impl GrpcClient {
         self.channel.clone()
     }
 
+    // Fetch validation rules for a table. Absence of a field in response = no validation.
+    pub async fn get_table_validation(
+        &mut self,
+        profile_name: String,
+        table_name: String,
+    ) -> Result<TableValidationResponse> {
+        let req = GetTableValidationRequest {
+            profile_name,
+            table_name,
+        };
+        let resp = self
+            .table_validation_client
+            .get_table_validation(tonic::Request::new(req))
+            .await
+            .context("gRPC GetTableValidation call failed")?;
+        Ok(resp.into_inner())
+    }
+
     pub async fn get_table_structure(
         &mut self,
         profile_name: String,

client/src/services/ui_service.rs

@@ -6,6 +6,8 @@ use crate::pages::admin_panel::add_logic::state::AddLogicState;
 use crate::pages::forms::logic::SaveOutcome;
 use crate::utils::columns::filter_user_columns;
 use crate::pages::forms::{FieldDefinition, FormState};
+use common::proto::komp_ac::table_validation::CountMode as PbCountMode;
+use canvas::validation::limits::CountMode;
 use anyhow::{anyhow, Context, Result};
 use std::sync::Arc;
 
@@ -314,4 +316,60 @@ impl UiService {
         }
         Ok(())
     }
+
+    /// Fetch and apply "Validation 1" (character limits) rules for this form.
+    pub async fn apply_validation1_for_form(
+        grpc_client: &mut GrpcClient,
+        app_state: &mut AppState,
+        path: &str,
+    ) -> Result<()> {
+        let (profile, table) = path
+            .split_once('/')
+            .context("Invalid form path for validation")?;
+
+        let resp = grpc_client
+            .get_table_validation(profile.to_string(), table.to_string())
+            .await
+            .context("Failed to fetch table validation")?;
+
+        if let Some(fs) = app_state.form_state_for_path(path) {
+            let mut rules: Vec<Option<crate::pages::forms::state::CharLimitsRule>> =
+                vec![None; fs.fields.len()];
+
+            for f in resp.fields {
+                if let Some(idx) = fs.fields.iter().position(|fd| fd.data_key == f.data_key) {
+                    if let Some(limits) = f.limits {
+                        let has_any =
+                            limits.min != 0 || limits.max != 0 || limits.warn_at.is_some();
+                        if has_any {
+                            let cm = match PbCountMode::from_i32(limits.count_mode) {
+                                Some(PbCountMode::Unspecified) | None => CountMode::Characters, // protobuf default → fallback
+                                Some(PbCountMode::Chars) => CountMode::Characters,
+                                Some(PbCountMode::Bytes) => CountMode::Bytes,
+                                Some(PbCountMode::DisplayWidth) => CountMode::DisplayWidth,
+                            };
+
+                            let min = if limits.min == 0 { None } else { Some(limits.min as usize) };
+                            let max = if limits.max == 0 { None } else { Some(limits.max as usize) };
+                            let warn_at = limits.warn_at.map(|w| w as usize);
+
+                            rules[idx] = Some(crate::pages::forms::state::CharLimitsRule {
+                                min,
+                                max,
+                                warn_at,
+                                count_mode: cm,
+                            });
+                        }
+                    }
+                }
+            }
+            fs.set_character_limits_rules(rules);
+        }
+
+        if let Some(editor) = app_state.editor_for_path(path) {
+            editor.set_validation_enabled(true);
+        }
+
+        Ok(())
+    }
 }