Files
komp_ac/server/src/tables_data/handlers/post_table_data.rs
2025-03-08 12:49:54 +01:00

232 lines
8.5 KiB
Rust

// src/tables_data/handlers/post_table_data.rs
use tonic::Status;
use sqlx::{PgPool, Arguments};
use sqlx::postgres::PgArguments;
use chrono::{DateTime, Utc};
use common::proto::multieko2::tables_data::{PostTableDataRequest, PostTableDataResponse};
use crate::steel::handlers::execution::{self, ScriptOperation};
use std::collections::HashMap;
pub async fn post_table_data(
db_pool: &PgPool,
request: PostTableDataRequest,
) -> Result<PostTableDataResponse, Status> {
let profile_name = request.profile_name;
let table_name = request.table_name;
let mut data = HashMap::new();
// Process and validate all data values
for (key, value) in request.data {
let trimmed = value.trim().to_string();
// Handle firma specially - it cannot be empty
if key == "firma" && trimmed.is_empty() {
return Err(Status::invalid_argument("Firma cannot be empty"));
}
// Add trimmed non-empty values to data map
// Empty optional fields will be skipped in SQL generation
if !trimmed.is_empty() || key == "firma" {
data.insert(key, trimmed);
}
}
// Lookup profile
let profile = sqlx::query!(
"SELECT id FROM profiles WHERE name = $1",
profile_name
)
.fetch_optional(db_pool)
.await
.map_err(|e| Status::internal(format!("Profile lookup error: {}", e)))?;
let profile_id = profile.ok_or_else(|| Status::not_found("Profile not found"))?.id;
// Lookup table_definition
let table_def = sqlx::query!(
r#"SELECT id, columns, linked_table_id FROM table_definitions
WHERE profile_id = $1 AND table_name = $2"#,
profile_id,
table_name
)
.fetch_optional(db_pool)
.await
.map_err(|e| Status::internal(format!("Table lookup error: {}", e)))?;
let table_def = table_def.ok_or_else(|| Status::not_found("Table not found"))?;
// Parse columns from JSON
let columns_json: Vec<String> = serde_json::from_value(table_def.columns.clone())
.map_err(|e| Status::internal(format!("Column parsing error: {}", e)))?;
let mut columns = Vec::new();
for col_def in columns_json {
let parts: Vec<&str> = col_def.splitn(2, ' ').collect();
if parts.len() != 2 {
return Err(Status::internal("Invalid column format"));
}
let name = parts[0].trim_matches('"').to_string();
let sql_type = parts[1].to_string();
columns.push((name, sql_type));
}
// Check required system columns
let mut required_columns = vec!["firma".to_string()];
if let Some(linked_table_id) = table_def.linked_table_id {
let linked_table = sqlx::query!(
"SELECT table_name FROM table_definitions WHERE id = $1",
linked_table_id
)
.fetch_one(db_pool)
.await
.map_err(|e| Status::internal(format!("Linked table error: {}", e)))?;
let base_name = linked_table.table_name.splitn(2, '_').last().unwrap_or(&linked_table.table_name);
required_columns.push(format!("{}_id", base_name));
}
// Validate required columns
for col in &required_columns {
if !data.contains_key(col) {
return Err(Status::invalid_argument(format!("Missing required column: {}", col)));
}
}
// Validate all data columns
let system_columns = ["firma", "deleted"];
let user_columns: Vec<&String> = columns.iter().map(|(name, _)| name).collect();
for key in data.keys() {
if !system_columns.contains(&key.as_str()) && !user_columns.contains(&key) {
return Err(Status::invalid_argument(format!("Invalid column: {}", key)));
}
}
// Validate Steel scripts
let scripts = sqlx::query!(
"SELECT target_column, script FROM table_scripts WHERE table_definitions_id = $1",
table_def.id
)
.fetch_all(db_pool)
.await
.map_err(|e| Status::internal(format!("Failed to fetch scripts: {}", e)))?;
for script_record in scripts {
let target_column = script_record.target_column;
// Check if target column is present in data
if !data.contains_key(&target_column) {
return Err(Status::invalid_argument(
format!("Column '{}' is required due to an associated script", target_column)
));
}
// Parse the script
let operation = execution::parse_script(&script_record.script, &target_column)
.map_err(|e| Status::invalid_argument(e.to_string()))?;
// Get source column from operation
let source_column = match operation {
ScriptOperation::SetToColumn { source } => source,
};
// Check source column presence
let source_value = data.get(&source_column)
.ok_or_else(|| Status::invalid_argument(
format!("Source column '{}' required by script for '{}' is missing", source_column, target_column)
))?;
// Get target value
let target_value = data.get(&target_column)
.ok_or_else(|| Status::invalid_argument(
format!("Target column '{}' is missing in data", target_column)
))?;
// Validate value match
if target_value != source_value {
return Err(Status::invalid_argument(
format!("Value for '{}' must match '{}' as per script. Expected '{}', got '{}'",
target_column, source_column, source_value, target_value)
));
}
}
// Prepare SQL parameters
let mut params = PgArguments::default();
let mut columns_list = Vec::new();
let mut placeholders = Vec::new();
let mut param_idx = 1;
for (col, value) in data {
let sql_type = if system_columns.contains(&col.as_str()) {
match col.as_str() {
"firma" => "TEXT",
"deleted" => "BOOLEAN",
_ => return Err(Status::invalid_argument("Invalid system column")),
}
} else {
columns.iter()
.find(|(name, _)| name == &col)
.map(|(_, sql_type)| sql_type.as_str())
.ok_or_else(|| Status::invalid_argument(format!("Column not found: {}", col)))?
};
// TODO This needs heavy adjustement. More stuff to be added for user to only pick
// preprogrammed functions
match sql_type {
"TEXT" | "VARCHAR(15)" | "VARCHAR(255)" => {
if let Some(max_len) = sql_type.strip_prefix("VARCHAR(")
.and_then(|s| s.strip_suffix(')'))
.and_then(|s| s.parse::<usize>().ok())
{
if value.len() > max_len {
return Err(Status::internal(format!("Value too long for {}", col)));
}
}
params.add(value)
.map_err(|e| Status::invalid_argument(format!("Failed to add text parameter for {}: {}", col, e)))?;
},
"BOOLEAN" => {
let val = value.parse::<bool>()
.map_err(|_| Status::invalid_argument(format!("Invalid boolean for {}", col)))?;
params.add(val)
.map_err(|e| Status::invalid_argument(format!("Failed to add boolean parameter for {}: {}", col, e)))?;
},
"TIMESTAMPTZ" => {
let dt = DateTime::parse_from_rfc3339(&value)
.map_err(|_| Status::invalid_argument(format!("Invalid timestamp for {}", col)))?;
params.add(dt.with_timezone(&Utc))
.map_err(|e| Status::invalid_argument(format!("Failed to add timestamp parameter for {}: {}", col, e)))?;
},
_ => return Err(Status::invalid_argument(format!("Unsupported type {}", sql_type))),
}
columns_list.push(format!("\"{}\"", col));
placeholders.push(format!("${}", param_idx));
param_idx += 1;
}
// Ensure we have at least one column to insert
if columns_list.is_empty() {
return Err(Status::invalid_argument("No valid columns to insert"));
}
let sql = format!(
"INSERT INTO \"{}\" ({}) VALUES ({}) RETURNING id",
table_name,
columns_list.join(", "),
placeholders.join(", ")
);
let inserted_id: i64 = sqlx::query_scalar_with(&sql, params)
.fetch_one(db_pool)
.await
.map_err(|e| Status::internal(format!("Insert failed: {}", e)))?;
Ok(PostTableDataResponse {
success: true,
message: "Data inserted successfully".into(),
inserted_id,
})
}