Move the handling of events into a struct.
I am going to start parsing fields out of the json event objects, so it makes sense to give each event its own type to avoid the verbosity of parsing the values out of the json object every time they are needed.master
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@ -1,4 +1,6 @@
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mod github_endpoint_watcher;
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mod githubctl;
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mod pull_request_event;
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pub use githubctl::GithubCtl;
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pub use pull_request_event::PullRequestEvent;
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@ -0,0 +1,21 @@
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use crate::json_util::get_json_string;
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pub struct PullRequestEvent<'a> {
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original_event: &'a serde_json::Value,
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}
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impl<'a> PullRequestEvent<'a> {
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pub fn new(original_event: &'a serde_json::Value) -> Result<Self, Box<dyn std::error::Error>> {
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Ok(PullRequestEvent { original_event })
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}
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pub fn is_a(event: &'a serde_json::Value) -> Result<bool, Box<dyn std::error::Error>> {
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let event_type = event.get("type").map(get_json_string);
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match event_type {
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Some(event_type_string) if event_type_string == "PullRequestEvent" => {
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return Ok(true);
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}
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_ => Ok(false),
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}
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}
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}
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@ -0,0 +1,23 @@
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use serde_json::{self, Map};
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pub fn get_json_object(obj: &serde_json::Value) -> &Map<String, serde_json::Value> {
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match obj {
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serde_json::Value::Null => panic!("Unexpected json type"),
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serde_json::Value::Bool(_) => panic!("Unexpected json type"),
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serde_json::Value::Number(_) => panic!("Unexpected json type"),
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serde_json::Value::String(_) => panic!("Unexpected json type"),
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serde_json::Value::Array(_) => panic!("Unexpected json type"),
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serde_json::Value::Object(event_object) => event_object,
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}
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}
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pub fn get_json_string(str: &serde_json::Value) -> &String {
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match str {
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serde_json::Value::Null => panic!("Unexpected json type"),
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serde_json::Value::Bool(_) => panic!("Unexpected json type"),
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serde_json::Value::Number(_) => panic!("Unexpected json type"),
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serde_json::Value::String(txt) => txt,
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serde_json::Value::Array(_) => panic!("Unexpected json type"),
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serde_json::Value::Object(_) => panic!("Unexpected json type"),
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}
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}
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