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// zotapi - Rust wrapper for Sot API as implemented by Hubzilla
// Copyright (C) 2018 Harald Eilertsen <haraldei@anduin.net>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
use crate::{client::Client, error::Error};
use reqwest::{
self,
header::{CONTENT_TYPE},
};
use serde::{Deserialize, Serialize};
use std::collections::BTreeMap;
/// Data type for values that an Item can hold.
#[derive(Debug, Serialize)]
#[serde(untagged)]
pub enum ItemData<'a> {
/// A single value, either textual or numeric.
Value(&'a str),
/// A list ov values.
List(Vec<&'a str>),
}
impl<'a> From<&'a str> for ItemData<'a> {
fn from(orig: &'a str) -> ItemData<'a> {
ItemData::Value(orig)
}
}
impl<'a> ToString for ItemData<'a> {
fn to_string(&self) -> String {
match &self {
ItemData::Value(s) => s.to_string(),
ItemData::List(v) => v.join(","),
}
}
}
impl<'a> ItemData<'a> {
/// Push a new value into
pub fn push(&mut self, value: &'a str) {
match self {
ItemData::Value(_) => std::panic!("Pushing to a simple value is not allowed."),
ItemData::List(v) => v.push(value),
};
}
}
#[test]
fn convert_itemdata_list_to_a_string() {
let l = ItemData::List(vec!["one", "two", "everything"]);
assert_eq!(l.to_string(), "one,two,everything");
}
#[test]
fn convert_itemdata_list_with_one_member_to_a_string() {
let l = ItemData::List(vec!["one"]);
assert_eq!(l.to_string(), "one");
}
#[derive(Debug, Deserialize)]
pub struct ItemCreatedResponse {
pub success: bool,
pub item_id: u32,
}
/// A structure to help you create an item in a declarative way.
///
/// Typical usage:
///
/// ```no_run
/// let client = zotapi::client("https://myhub.com", "mychannel", "mypw");
/// let new_post = zotapi::item()
/// .title("A title")
/// .body("The body of the post")
/// .file("/my/photo.jpg")
/// .create(&client)?;
/// # Ok::<(), zotapi::Error>(())
/// ```
#[derive(Debug)]
pub struct ItemBuilder<'a> {
data: BTreeMap<&'a str, ItemData<'a>>,
files: Vec<&'a str>,
}
pub fn item<'a>() -> ItemBuilder<'a> {
ItemBuilder {
data: BTreeMap::new(),
files: vec![],
}
}
impl<'a> ItemBuilder<'a> {
/// Add a title to the post
pub fn title(&mut self, text: &'a str) -> &mut ItemBuilder<'a> {
self.data.insert("title", ItemData::Value(text));
self
}
/// Add the body of the post
pub fn body(&mut self, text: &'a str) -> &mut ItemBuilder<'a> {
self.data.insert("body", ItemData::Value(text));
self
}
/// Add a file attachment to the post
pub fn file(&mut self, fname: &'a str) -> &mut ItemBuilder<'a> {
self.files.push(fname);
self
}
/// Set groups allowed to access item
pub fn group_allow(&mut self, group: &'a str) -> &mut ItemBuilder<'a> {
let groups_allow = self
.data
.entry("groups_allow")
.or_insert(ItemData::List(Vec::<&str>::new()));
groups_allow.push(group);
self
}
/// Create the item by poting it to the server
pub fn create(&self, client: &Client) -> Result<ItemCreatedResponse, Error> {
dbg!(self);
let mut req = client.post("item/update");
if self.files.is_empty() {
req = req
.header(CONTENT_TYPE, "application/x-www-form-urlencoded")
.body(serde_qs::to_string(&self.data)?)
} else {
let mut form = reqwest::multipart::Form::new();
for (key, value) in self.data.iter() {
form = form.text(key.to_string(), value.to_string());
}
for f in self.files.iter() {
form = form.file("media", f)?;
}
req = req.multipart(form)
}
Ok(serde_json::from_str(&req.send()?.text()?)?)
}
}
#[test]
fn add_group_to_list_of_groups_allowed() {
let mut item = item();
item.group_allow("test");
match item.data.get("groups_allow") {
Some(ItemData::List(v)) => assert_eq!(v.len(), 1),
Some(ItemData::Value(s)) => assert!(false, "Expected a list, found value: {}", s),
None => assert!(false, "List not found!"),
};
}
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