use crate::components::editable_cell::EditableCell;
use crate::components::editable_cell::InputType;
use leptos::*;
use serde::{Deserialize, Serialize};
use uuid::Uuid;
use leptos::logging::log;
use crate::models::item::Item;
use std::collections::HashMap;
use std::sync::Arc;
use wasm_bindgen::JsCast;
use web_sys::window;
use std::rc::Rc;
#[derive(Deserialize, Clone, Debug)]
struct WikidataSuggestion {
id: String,
label: String,
description: Option<String>,
}
#[derive(Deserialize, Debug)]
pub struct DbItem {
id: String,
name: String,
description: String,
wikidata_id: Option<String>,
custom_properties: String,
}
//function to load items from database
pub async fn load_items_from_db(current_url: &str) -> Result<Vec<Item>, String> {
let response = gloo_net::http::Request::get(&format!("/api/items?url={}", current_url))
.send()
.await
.map_err(|err| format!("Failed to fetch items: {:?}", err))?;
if response.status() == 200 {
// Deserialize into Vec<DbItem>
log!("Loading items from DB...");
let db_items = response
.json::<Vec<DbItem>>()
.await
.map_err(|err| format!("Failed to parse items: {:?}", err))?;
// log!("Deserialized DB items: {:?}", db_items);
// Convert DbItem to Item
let items = db_items
.into_iter()
.map(|db_item| {
// Deserialize `custom_properties` from a JSON string to a HashMap
let custom_properties: HashMap<String, String> =
serde_json::from_str(&db_item.custom_properties)
.unwrap_or_default(); // Fallback to an empty HashMap if deserialization fails
log!("Loaded item: {:?}", db_item.id);
log!("Custom properties: {:?}", custom_properties);
Item {
id: db_item.id,
name: db_item.name,
description: db_item.description,
wikidata_id: db_item.wikidata_id,
custom_properties,
}
})
.collect();
// log!("Converted items: {:?}", items);
Ok(items)
} else {
Err(format!("Failed to fetch items: {}", response.status_text()))
}
}
#[component]
pub fn ItemsList(
items: ReadSignal<Vec<Item>>,
set_items: WriteSignal<Vec<Item>>,
) -> impl IntoView {
// State to track selected properties
let (selected_properties, set_selected_properties) = create_signal(HashMap::<String, bool>::new());
// State to track the currently focused cell
let (focused_cell, set_focused_cell) = create_signal(None::<String>);
// State to manage dynamic property names
let (custom_properties, set_custom_properties) = create_signal(Vec::<String>::new());
// State to manage suggestions visibility
let (show_suggestions, set_show_suggestions) = create_signal(HashMap::<String, bool>::new());
// cache to store fetched properties
let (fetched_properties, set_fetched_properties) = create_signal(HashMap::<String, HashMap<String, String>>::new());
// Signal to store the fetched property labels
let (property_labels, set_property_labels) = create_signal(HashMap::<String, String>::new());
fn get_current_url() -> String {
window()
.and_then(|win| win.location().href().ok())
.unwrap_or_else(|| "".to_string())
}
let current_url = Rc::new(get_current_url());
spawn_local({
let current_url = Rc::clone(¤t_url);
async move {
match load_items_from_db(¤t_url).await {
Ok(loaded_items) => {
// Set the loaded items
if loaded_items.is_empty() {
// Initialize with one empty item if the database is empty
set_items.set(vec![Item {
id: Uuid::new_v4().to_string(),
name: String::new(),
description: String::new(),
wikidata_id: None,
custom_properties: HashMap::new(),
}]);
} else {
set_items.set(loaded_items.clone());
}
// Derive selected properties from the loaded items
let mut selected_props = HashMap::new();
let loaded_items_clone = loaded_items.clone();
for item in loaded_items {
for (property, _) in item.custom_properties {
selected_props.insert(property, true);
}
}
set_selected_properties.set(selected_props);
// Update the custom_properties signal
let mut custom_props = Vec::new();
for item in loaded_items_clone {
for (property, _) in &item.custom_properties {
if !custom_props.iter().any(|p| p == property) {
custom_props.push(property.clone());
}
}
}
let custom_props_clone = custom_props.clone();
set_custom_properties.set(custom_props);
// Fetch labels for the custom properties
let property_ids = custom_props_clone;
let labels = fetch_property_labels(property_ids).await;
set_property_labels.update(|labels_map| {
for (key, value) in labels {
labels_map.insert(key, value);
}
});
// log!("Items after loading: {:?}", items.get());
}
Err(err) => {
log!("Error loading items: {}", err);
}
}
}});
// Ensure there's an initial empty row
if items.get().is_empty() {
set_items.set(vec![Item {
id: Uuid::new_v4().to_string(),
name: String::new(),
description: String::new(),
wikidata_id: None,
custom_properties: HashMap::new(),
}]);
}
// Function to send an item to the backend API
async fn save_item_to_db(item: Item, selected_properties: ReadSignal<HashMap<String, bool>>, current_url: String) {
// Use a reactive closure to access `selected_properties`
let custom_properties: HashMap<String, String> = (move || {
let selected_props = selected_properties.get(); // Access the signal inside a reactive closure
item.custom_properties
.into_iter()
.filter(|(key, _)| selected_props.contains_key(key)) // Use the extracted value
.collect()
})();
// Serialize `custom_properties` to a JSON string
let custom_properties = serde_json::to_string(&custom_properties).unwrap();
// Create a new struct to send to the backend
#[derive(Serialize, Debug)]
struct ItemToSend {
url: String,
id: String,
name: String,
description: String,
wikidata_id: Option<String>,
custom_properties: String, // JSON-encoded string
}
let item_to_send = ItemToSend {
url: current_url.to_string(),
id: item.id,
name: item.name,
description: item.description,
wikidata_id: item.wikidata_id,
custom_properties, // Use the serialized string
};
let response = gloo_net::http::Request::post("/api/items")
.json(&item_to_send)
.unwrap()
.send()
.await;
match response {
Ok(resp) => {
if resp.status() == 200 {
// log!("Item saved to database: {:?}", item_to_send);
} else {
log!("Failed to save item: {}", resp.status_text());
}
}
Err(err) => log!("Failed to save item: {:?}", err),
}
}
// Function to remove an item
let remove_item = move |index: usize| {
let item_id = items.get()[index].id.clone();
spawn_local(async move {
let response = gloo_net::http::Request::delete(&format!("/api/items/{}", item_id))
.send()
.await;
match response {
Ok(resp) => {
if resp.status() == 200 {
set_items.update(|items| {
items.remove(index);
});
log!("Item deleted: {}", item_id);
} else {
log!("Failed to delete item: {}", resp.status_text());
}
}
Err(err) => log!("Failed to delete item: {:?}", err),
}
});
};
// Function to remove a property
let remove_property = move |property: String| {
spawn_local(async move {
let response = gloo_net::http::Request::delete(&format!("/api/properties/{}", property))
.send()
.await;
match response {
Ok(resp) => {
if resp.status() == 200 {
set_custom_properties.update(|props| {
props.retain(|p| p != &property);
});
set_selected_properties.update(|selected| {
selected.remove(&property);
});
set_items.update(|items| {
for item in items {
item.custom_properties.remove(&property);
}
});
log!("Property deleted: {}", property);
} else {
log!("Failed to delete property: {}", resp.status_text());
}
}
Err(err) => log!("Failed to delete property: {:?}", err),
}
});
};
// State to store Wikidata suggestions
let (wikidata_suggestions, set_wikidata_suggestions) = create_signal(HashMap::<String, Vec<WikidataSuggestion>>::new());
// Function to fetch Wikidata suggestions
let fetch_wikidata_suggestions = move |key: String, query: String| {
log!("Fetching suggestions for key: {}, query: {}", key, query);
spawn_local(async move {
if query.is_empty() {
set_wikidata_suggestions.update(|suggestions| {
suggestions.remove(&key);
});
return;
}
let url = format!(
"https://www.wikidata.org/w/api.php?action=wbsearchentities&search={}&language=en&limit=5&format=json&origin=*",
query
);
match gloo_net::http::Request::get(&url).send().await {
Ok(response) => {
if let Ok(data) = response.json::<WikidataResponse>().await {
set_wikidata_suggestions.update(|suggestions| {
suggestions.insert(key, data.search);
});
}
}
Err(_) => log!("Failed to fetch Wikidata suggestions"),
}
});
};
//function to fetch properties
async fn fetch_item_properties(wikidata_id: &str) -> HashMap<String, String> {
let sparql_query = format!(
r#"
SELECT ?propLabel ?value ?valueLabel WHERE {{
wd:{} ?prop ?statement.
?statement ?ps ?value.
?property wikibase:claim ?prop.
?property wikibase:statementProperty ?ps.
SERVICE wikibase:label {{ bd:serviceParam wikibase:language "en". }}
}}
"#,
wikidata_id
);
let url = format!(
"https://query.wikidata.org/sparql?query={}&format=json",
urlencoding::encode(&sparql_query)
);
match gloo_net::http::Request::get(&url)
.header("Accept", "application/json")
.send()
.await
{
Ok(response) => {
if let Ok(data) = response.json::<serde_json::Value>().await {
let mut result = HashMap::new();
if let Some(bindings) = data["results"]["bindings"].as_array() {
for binding in bindings {
let prop_label = binding["propLabel"]["value"].as_str().unwrap_or("").to_string();
let prop_label = prop_label.replace("http://www.wikidata.org/prop/", "");
let value_label = binding["valueLabel"]["value"].as_str().unwrap_or("").to_string();
result.insert(prop_label, value_label);
log!("result: {:?}", result);
}
}
result
} else {
HashMap::new()
}
}
Err(_) => HashMap::new(),
}
}
async fn fetch_property_labels(property_ids: Vec<String>) -> HashMap<String, String> {
log!("Fetching property labels for properties: {:?}", property_ids);
// Remove the "http://www.wikidata.org/prop/" prefix from property IDs
let property_ids: Vec<String> = property_ids
.into_iter()
.map(|id| id.replace("http://www.wikidata.org/prop/", ""))
.collect();
let property_ids_str = property_ids.join(" wd:");
let sparql_query = format!(
r#"
SELECT ?prop ?propLabel WHERE {{
VALUES ?prop {{ wd:{} }}
SERVICE wikibase:label {{ bd:serviceParam wikibase:language "en". }}
}}
"#,
property_ids_str
);
let url = format!(
"https://query.wikidata.org/sparql?query={}&format=json",
urlencoding::encode(&sparql_query)
);
log!("Sending request to URL: {}", url);
match gloo_net::http::Request::get(&url)
.header("Accept", "application/json")
.send()
.await
{
Ok(response) => {
log!("Received response from Wikidata. Status: {}", response.status());
if response.status() != 200 {
log!("Error: Unexpected status code {}", response.status());
return HashMap::new();
}
match response.text().await {
Ok(text) => {
log!("Response body: {}", text);
match serde_json::from_str::<serde_json::Value>(&text) {
Ok(data) => {
log!("Successfully parsed response from Wikidata");
let mut result = HashMap::new();
if let Some(bindings) = data["results"]["bindings"].as_array() {
log!("Found {} bindings in response", bindings.len());
for (i, binding) in bindings.iter().enumerate() {
if let (Some(prop), Some(label)) = (
binding["prop"]["value"].as_str(),
binding["propLabel"]["value"].as_str()
) {
let prop_id = prop.split('/').last().unwrap_or("").to_string();
result.insert(prop_id.clone(), label.to_string());
log!("Processed binding {}: prop_id = {}, label = {}", i, prop_id, label);
} else {
log!("Warning: Binding {} is missing prop or propLabel", i);
}
}
} else {
log!("Warning: No bindings found in the response");
}
log!("Fetched {} property labels", result.len());
result
}
Err(e) => {
log!("Error parsing response from Wikidata: {:?}", e);
HashMap::new()
}
}
}
Err(e) => {
log!("Error reading response body: {:?}", e);
HashMap::new()
}
}
}
Err(e) => {
log!("Error fetching property labels from Wikidata: {:?}", e);
HashMap::new()
}
}
}
// Add a new custom property
let add_property = {
let current_url = Rc::clone(¤t_url);
let set_items = set_items.clone();
Arc::new(move |property: String| {
// Normalize the property ID
let normalized_property = property.replace("http://www.wikidata.org/prop/", "");
set_custom_properties.update(|props| {
if !props.contains(&normalized_property) && !normalized_property.is_empty() {
props.push(normalized_property.clone());
//update the selected_properties state when a new property is added
set_selected_properties.update(|selected| {
selected.insert(normalized_property.clone(), true);
});
// Ensure the grid updates reactively
set_items.update(|items| {
for item in items {
item.custom_properties.entry(normalized_property.clone()).or_insert_with(|| "".to_string());
// Save the updated item to the database
let item_clone = item.clone();
spawn_local({
let current_url = Rc::clone(¤t_url);
async move {
save_item_to_db(item_clone, selected_properties, current_url.to_string()).await;
}
});
}
});
// Fetch the property label
let property_id = normalized_property.clone();
spawn_local(async move {
let labels = fetch_property_labels(vec![property_id.clone()]).await;
log!("Fetched labels: {:?}", labels);
set_property_labels.update(|labels_map| {
for (key, value) in labels {
log!("Inserting label: {} -> {}", key, value);
labels_map.insert(key, value);
}
});
});
}
});
// Fetch the relevant value for each item and populate the corresponding cells
set_items.update(|items| {
for item in items {
if let Some(wikidata_id) = &item.wikidata_id {
let wikidata_id = wikidata_id.clone();
let set_fetched_properties = set_fetched_properties.clone();
let set_property_labels = set_property_labels.clone();
let property_clone = property.clone();
spawn_local(async move {
let properties = fetch_item_properties(&wikidata_id).await;
// Update fetched properties and property labels
set_fetched_properties.update(|fp| {
fp.insert(wikidata_id.clone(), properties.clone());
});
set_property_labels.update(|pl| {
for (key, value) in properties.iter() {
pl.entry(key.clone()).or_insert_with(|| value.clone());
}
});
if let Some(value) = properties.get(&property_clone) {
set_items.update(|items| {
if let Some(item) = items.iter_mut().find(|item| item.wikidata_id.as_ref().unwrap() == &wikidata_id) {
item.custom_properties.insert(property_clone.clone(), value.clone());
}
});
}
});
}
}
});
})};
// Update item fields
let update_item = {
let set_items = set_items.clone();
let current_url = Rc::clone(¤t_url);
Arc::new(move |index: usize, field: &str, value: String| {
let set_items = set_items.clone();
let current_url = Rc::clone(¤t_url);
set_items.update(move|items| {
if let Some(item) = items.get_mut(index) {
match field {
"name" => {
item.name = value.clone();
fetch_wikidata_suggestions(format!("name-{}", index), value.clone());
// Fetch Wikidata properties if the field is "name" and the item has a valid Wikidata ID
if !value.is_empty() {
if let Some(wikidata_id) = &item.wikidata_id {
let wikidata_id = wikidata_id.clone();
let set_fetched_properties = set_fetched_properties.clone();
let set_property_labels = set_property_labels.clone();
spawn_local(async move {
let properties = fetch_item_properties(&wikidata_id).await;
log!("Fetched properties for index {}: {:?}", index, properties);
});
}
}
}
"description" => {
item.description = value.clone();
}
_ => {
// Update custom property
item.custom_properties.insert(field.to_string(), value.clone());
}
}
// Save the updated item to the database
let item_clone = item.clone();
spawn_local({
let current_url = Rc::clone(¤t_url);
async move {
save_item_to_db(item_clone, selected_properties, current_url.to_string()).await;
}
});
}
// Automatically add a new row when editing the last row
if index == items.len() - 1 && !value.is_empty() {
let new_item = Item {
id: Uuid::new_v4().to_string(),
name: String::new(),
description: String::new(),
// reviews: vec![],
wikidata_id: None,
custom_properties: HashMap::new(),
};
items.push(new_item.clone());
// Save the new item to the database
spawn_local({
let current_url = Rc::clone(¤t_url);
async move {
save_item_to_db(new_item, selected_properties, current_url.to_string()).await;
}
});
}
log!("Items updated: {:?}", items);
});
})};
// List of properties to display as rows
let properties = vec!["Name", "Description"];
view! {
<div>
<h1>{ "Items List" }</h1>
<table>
<thead>
<tr>
<th>{ "Property" }</th>
{move || items.get().iter().enumerate().map(|(index, item)| {
view! {
<th>
{ item.name.clone() }
<button on:click=move |_| remove_item(index)>{ "Delete" }</button>
</th>
}
}).collect::<Vec<_>>()}
</tr>
</thead>
<tbody>
{properties.into_iter().map(|property| {
let update_item_cloned = Arc::clone(&update_item);
log!("Rendering property: {}", property);
view! {
<tr>
<td>{ property }</td>
{move || items.get().iter().enumerate().map(|(index, item)| {
let update_item_clone = Arc::clone(&update_item_cloned);
view! {
<td>
{match property {
"Name" => view! {
<div class="editable-cell">
<EditableCell
value=item.name.clone()
on_input=move |value| {
update_item_clone(index, "name", value.clone());
fetch_wikidata_suggestions(format!("name-{}", index), value);
}
key=Arc::new(format!("name-{}", index))
focused_cell=focused_cell
set_focused_cell=set_focused_cell.clone()
on_focus=Some(Callback::new(move |_| {
log!("Input focused, showing suggestions");
set_show_suggestions.update(|suggestions| {
suggestions.insert(format!("name-{}", index), true);
});
}))
on_blur=Some(Callback::new(move |_| {
log!("Input blurred, delaying hiding suggestions");
spawn_local(async move {
gloo_timers::future::sleep(std::time::Duration::from_millis(500)).await;
log!("Hiding suggestions after delay");
set_show_suggestions.update(|suggestions| {
suggestions.insert(format!("name-{}", index), false);
});
});
}))
input_type=InputType::Text
/>
<button class="search-icon" on:click=move |_| {
log!("Search icon clicked, showing suggestions");
set_show_suggestions.update(|suggestions| {
suggestions.insert(format!("name-{}", index), true);
});
}>
<i class="fas fa-search"></i> Search Wiki
</button>
{move || {
if *show_suggestions.get().get(&format!("name-{}", index)).unwrap_or(&false) {
log!("Rendering suggestions list");
view! {
<ul class="editable-cell-suggestions">
{move || {
let suggestions = wikidata_suggestions.get()
.get(&format!("name-{}", index))
.cloned()
.unwrap_or_default();
log!("Suggestions for cell {}: {:?}", index, suggestions);
suggestions.into_iter().map(|suggestion| {
let label_for_click = suggestion.label.clone();
let label_for_display = suggestion.label.clone();
let description_for_click = suggestion.description.clone().unwrap_or_default();
let description_for_display = suggestion.description.clone().unwrap_or_default();
let id = suggestion.id.clone();
view! {
<li class="editable-cell-suggestions-li" on:click=move |_| {
// Update item with basic suggestion details
set_items.update(|items| {
if let Some(item) = items.get_mut(index) {
item.description = description_for_click.clone();
item.wikidata_id = Some(id.clone());
item.name = label_for_click.clone();
}
});
// Fetch additional properties from Wikidata
let wikidata_id = id.clone();
let set_fetched_properties = set_fetched_properties.clone();
let set_property_labels = set_property_labels.clone();
spawn_local(async move {
let properties = fetch_item_properties(&wikidata_id).await;
// log!("Fetched properties for Wikidata ID {}: {:?}", wikidata_id, properties);
// Populate the custom properties for the new item
set_items.update(|items| {
if let Some(item) = items.iter_mut().find(|item| item.wikidata_id.as_ref() == Some(&wikidata_id)) {
for (property, value) in properties {
item.custom_properties.insert(property, value);
}
}
});
});
// Hide the suggestion list
set_show_suggestions.update(|suggestions| {
suggestions.insert(format!("name-{}", index), false);
log!("Updated show_suggestions: {:?}", suggestions);
});
}>
{ format!("{} - {}", label_for_display, description_for_display) }
</li>
}
}).collect::<Vec<_>>()
}}
</ul>
}
} else {
log!("Suggestions list hidden");
view! {
<ul></ul>
}
}
}}
</div>
}.into_view(),
"Description" => view! {
<EditableCell
value=item.description.clone()
on_input=move |value| update_item_clone(index, "description", value)
key=Arc::new(format!("description-{}", index))
focused_cell=focused_cell
set_focused_cell=set_focused_cell.clone()
on_focus=Some(Callback::new(move |_| {
log!("Description input focused");
}))
on_blur=Some(Callback::new(move |_| {
log!("Description input blurred");
}))
input_type=InputType::TextArea
/>
}.into_view(),
_ => view! {
{ "" }
}.into_view(),
}}
</td>
}
}).collect::<Vec<_>>()}
</tr>
}
}).collect::<Vec<_>>()}
// Dynamically adding custom properties as columns
{{
let update_item_outer = Arc::clone(&update_item);
move || {
let update_item = Arc::clone(&update_item_outer);
let custom_props = custom_properties.get().clone();
custom_props.into_iter().map(move |property| {
let update_item_inner = Arc::clone(&update_item);
let normalized_property = property.replace("http://www.wikidata.org/prop/", "");
let property_label = property_labels.get().get(&normalized_property).cloned().unwrap_or_else(|| normalized_property.clone());
log!("Rendering property: {} -> {}", normalized_property, property_label);
let property_clone_for_button = normalized_property.clone();
view! {
<tr>
<td>
{ property_label }
<button class="delete-property" on:click=move |_| {
log!("Deleting property: {}", property_clone_for_button);
remove_property(property_clone_for_button.clone());
set_custom_properties.update(|props| {
props.retain(|p| p != &property_clone_for_button);
});
set_selected_properties.update(|selected| {
selected.remove(&property_clone_for_button);
});
set_items.update(|items| {
for item in items {
item.custom_properties.remove(&property_clone_for_button);
}
});
}>{ "Delete" }</button>
</td>
{move || {
let update_item_cell = Arc::clone(&update_item_inner);
let property_clone_for_cells = normalized_property.clone();
items.get().iter().enumerate().map(move |(index, item)| {
let update_item_cell = Arc::clone(&update_item_cell);
let property_clone_for_closure = property_clone_for_cells.clone();
view! {
<td>
<EditableCell
value=item.custom_properties.get(&property_clone_for_closure).cloned().unwrap_or_default()
on_input=move |value| update_item_cell(index, &property_clone_for_closure, value)
key=Arc::new(format!("custom-{}-{}", property_clone_for_cells, index))
focused_cell=focused_cell
set_focused_cell=set_focused_cell.clone()
on_focus=Some(Callback::new(move |_| {
}))
on_blur=Some(Callback::new(move |_| {
}))
input_type=InputType::TextArea
/>
</td>
}
}).collect::<Vec<_>>()}
}
</tr>
}
}).collect::<Vec<_>>()}
}}
</tbody>
</table>
<div style="margin-bottom: 20px;">
<input type="text" id="new-property" placeholder="Add New Property" list="properties" on:keydown=move |event| {
if event.key() == "Enter"{
let input_element = event.target().unwrap().dyn_into::<web_sys::HtmlInputElement>().unwrap();
let property = input_element.value();
if !property.is_empty() {
// Extract the coded name from the selected value
let coded_name = property.split(" - ").next().unwrap_or(&property).to_string();
// Add the property using the coded name
add_property(coded_name);
// Clear the input field
input_element.set_value("");
}
}
} />
<datalist id="properties">
{move || {
let property_labels = property_labels.get().clone();
property_labels.into_iter().map(|(property, label)| {
let property_clone = property.clone();
view! {
<option value={property}>{ format!("{} - {}", property_clone, label) }</option>
}
}).collect::<Vec<_>>()
}}
</datalist>
</div>
</div>
}
}
#[derive(Deserialize, Clone, Debug)]
struct WikidataResponse {
search: Vec<WikidataSuggestion>,
}