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use async_graphql::ErrorExtensions;
use log::{debug, error, trace};
use sqlx::{mysql::MySqlArguments, MySql, Row};
use crate::{
data_sources::{
sql::{PoolEnum, SqlQuery},
TotalCount,
},
sql_value::SqlValue,
};
use super::{ResponseRow, Services};
impl Services {
pub async fn find_many(
pool_enum: &PoolEnum,
sql_query: &SqlQuery,
has_selection_set: &bool,
) -> Result<(Vec<Option<ResponseRow>>, TotalCount), async_graphql::Error> {
debug!("Executing Find Many Query");
trace!("{:?}", sql_query);
match pool_enum {
PoolEnum::MySql(pool) => {
let mut query =
sqlx::query(&sql_query.query) as sqlx::query::Query<MySql, MySqlArguments>;
let count_query_str = &sql_query.count_query.clone().unwrap();
let mut count_query = sqlx::query(&count_query_str);
for value in &sql_query.where_values {
match value {
SqlValue::String(v) | SqlValue::ObjectID(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::Int(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::Bool(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::StringList(values) | SqlValue::ObjectIDList(values) => {
for string in values {
query = query.bind(string);
count_query = count_query.bind(string);
}
}
SqlValue::IntList(values) => {
for int in values {
query = query.bind(int);
count_query = count_query.bind(int);
}
}
SqlValue::BoolList(values) => {
for bool in values {
query = query.bind(bool);
count_query = count_query.bind(bool);
}
}
SqlValue::UUID(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::UUIDList(values) => {
for uuid in values {
query = query.bind(uuid);
count_query = count_query.bind(uuid);
}
}
SqlValue::DateTime(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::DateTimeList(values) => {
for datetime in values {
query = query.bind(datetime);
count_query = count_query.bind(datetime);
}
}
}
}
let rows = if *has_selection_set {
query.fetch_all(pool).await.map_err(|e| {
error!("Error executing query: {:?}", e);
async_graphql::Error::new("Error executing query.")
.extend_with(|_, err| err.set("cause", e.to_string()))
})?
} else {
Vec::new()
};
let mut response_rows = Vec::new();
for row in rows {
response_rows.push(Some(ResponseRow::MySql(row)));
}
let count = count_query.fetch_one(pool).await.map_err(|e| {
error!("Error executing query: {:?} \n Error: {:?}", sql_query, e);
async_graphql::Error::new("Error executing query.")
.extend_with(|_, err| err.set("cause", e.to_string()))
})?;
let total_count = count.try_get("total_count").unwrap_or(0);
trace!("Total Count: {:?}", total_count);
Ok((response_rows, TotalCount(total_count)))
}
PoolEnum::Postgres(pool) => {
let mut query = sqlx::query(&sql_query.query);
let count_query_str = &sql_query.count_query.clone().unwrap();
let mut count_query = sqlx::query(&count_query_str);
for value in &sql_query.where_values {
match value {
SqlValue::String(v) | SqlValue::ObjectID(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::Int(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::Bool(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::StringList(values) | SqlValue::ObjectIDList(values) => {
for string in values {
query = query.bind(string);
count_query = count_query.bind(string);
}
}
SqlValue::IntList(values) => {
for int in values {
query = query.bind(int);
count_query = count_query.bind(int);
}
}
SqlValue::BoolList(values) => {
for bool in values {
query = query.bind(bool);
count_query = count_query.bind(bool);
}
}
SqlValue::UUID(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::UUIDList(values) => {
for uuid in values {
query = query.bind(uuid);
count_query = count_query.bind(uuid);
}
}
SqlValue::DateTime(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::DateTimeList(values) => {
for datetime in values {
query = query.bind(datetime);
count_query = count_query.bind(datetime);
}
}
}
}
let rows = if *has_selection_set {
query.fetch_all(pool).await.map_err(|e| {
error!("Error executing query: {:?}", e);
async_graphql::Error::new("Error executing query.")
.extend_with(|_, err| err.set("cause", e.to_string()))
})?
} else {
Vec::new()
};
let mut response_rows = Vec::new();
for row in rows {
response_rows.push(Some(ResponseRow::Postgres(row)));
}
let count = count_query.fetch_one(pool).await.map_err(|e| {
error!(
"Error executing count query: {:?} \n Error: {:?}",
sql_query, e
);
async_graphql::Error::new("Error executing query.")
.extend_with(|_, err| err.set("cause", e.to_string()))
})?;
let total_count = count.try_get("total_count").unwrap_or(0);
trace!("Total Count: {:?}", total_count);
Ok((response_rows, TotalCount(total_count)))
}
PoolEnum::SqLite(pool) => {
let mut query = sqlx::query(&sql_query.query);
let count_query_str = &sql_query.count_query.clone().unwrap();
let mut count_query = sqlx::query(&count_query_str);
for value in &sql_query.where_values {
match value {
SqlValue::String(v) | SqlValue::ObjectID(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::Int(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::Bool(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::StringList(values) | SqlValue::ObjectIDList(values) => {
for string in values {
query = query.bind(string);
count_query = count_query.bind(string)
}
}
SqlValue::IntList(values) => {
for int in values {
query = query.bind(int);
count_query = count_query.bind(int)
}
}
SqlValue::BoolList(values) => {
for bool in values {
query = query.bind(bool);
count_query = count_query.bind(bool)
}
}
SqlValue::UUID(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::UUIDList(values) => {
for uuid in values {
query = query.bind(uuid);
count_query = count_query.bind(uuid)
}
}
SqlValue::DateTime(v) => {
query = query.bind(v);
count_query = count_query.bind(v);
}
SqlValue::DateTimeList(values) => {
for datetime in values {
count_query = count_query.bind(datetime);
query = query.bind(datetime)
}
}
}
}
let rows = if *has_selection_set {
query.fetch_all(pool).await.map_err(|e| {
error!("Error executing query: {:?} \n Error: {:?}", sql_query, e);
async_graphql::Error::new("Error executing query.")
.extend_with(|_, err| err.set("cause", e.to_string()))
})?
} else {
Vec::new()
};
let mut response_rows = Vec::new();
for row in rows {
response_rows.push(Some(ResponseRow::SqLite(row)));
}
let count = count_query.fetch_one(pool).await.map_err(|e| {
error!("Error executing query: {:?} \n Error: {:?}", sql_query, e);
async_graphql::Error::new("Error executing query.")
.extend_with(|_, err| err.set("cause", e.to_string()))
})?;
let total_count = count.try_get("total_count").unwrap_or(0);
trace!("Total Count: {:?}", total_count);
Ok((response_rows, TotalCount(total_count)))
}
}
}
}