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Mercurial > core / rust/lib/obj/src/object/meta.rs

changeset 698: 96958d3eb5b0
parent: c7165d93a9eb
author: Richard Westhaver <ellis@rwest.io>
date: Fri, 04 Oct 2024 22:04:59 -0400
permissions: -rw-r--r--
description: fixes 
     1 //! # Meta types
     2 use crate::Objective;
     3 
     4 use chrono::{DateTime, Utc};
     5 use serde::{Deserialize, Serialize};
     6 /// Meta object
     7 ///
     8 /// This struct is built into other Objects and provides contextual data
     9 #[derive(Serialize, Deserialize, Debug, Hash)]
    10 pub struct Meta {
    11   tags: Option<String>,
    12   properties: Option<Vec<Property>>,
    13   timestamp: DateTime<Utc>,
    14 }
    15 
    16 impl Meta {
    17   pub fn new() -> Self {
    18     Meta {
    19       tags: None,
    20       properties: None,
    21       timestamp: Utc::now(),
    22     }
    23   }
    24 }
    25 
    26 impl Default for Meta {
    27   fn default() -> Self {
    28     Meta::new()
    29   }
    30 }
    31 
    32 impl Objective for Meta {}
    33 
    34 /// Property object
    35 ///
    36 /// An isolated property consisting of a (key,val) pair.
    37 ///
    38 /// TODO <2021-08-17 Tue 01:28> - this should be a trait. make
    39 /// metadata module for this.
    40 #[derive(Serialize, Deserialize, Debug, Hash)]
    41 pub struct Property {
    42   key: String,
    43   val: String,
    44 }
    45 
    46 /// Summary object
    47 ///
    48 /// A summary of an object.
    49 ///
    50 /// TODO <2021-08-17 Tue 01:30> make this a trait too.
    51 #[derive(Serialize, Deserialize, Debug, Hash)]
    52 pub struct Summary {
    53   meta: Meta,
    54   summary: String,
    55 }
    56 
    57 /// Note object
    58 ///
    59 /// A note pertaining to one or many objects.
    60 #[derive(Serialize, Deserialize, Debug, Hash)]
    61 pub struct Note {
    62   meta: Meta,
    63   content: String,
    64 }