1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
use std::io::Stdout;
use std::io::Write;
use std::ops::Deref;
use anyhow::Error;
use anyhow::Result;
use librepology::v1::types::Name;
use librepology::v1::types::Package;
use librepology::v1::types::Problem;
use crate::frontend::Frontend;
pub struct ListFrontend(Stdout);
/// A Frontend that prints the data in a human-readable way but without ASCII-art.
///
/// It seperates the values with dashes ("-") for a slightly better reading experience.
impl ListFrontend {
pub fn new(stdout: Stdout) -> Self {
ListFrontend(stdout)
}
}
impl Frontend for ListFrontend {
fn list_packages(&self, packages: Vec<Package>) -> Result<()> {
let mut outlock = self.0.lock();
packages.iter().fold(Ok(()), |accu, package| {
accu.and_then(|_| {
let status = if let Some(stat) = package.status() {
stat.deref().to_string()
} else {
String::from("No status")
}; // not optimal, but works for now.
let url = if let Some(url) = package.www() {
if let Some(url) = url.first() {
url.deref().to_string()
} else {
String::from("")
}
} else {
String::from("")
}; // not optimal, but works for now
writeln!(
outlock,
"{name:10} - {version:8} - {repo:15} - {status:5} - {www}",
name = package
.any_name()
.map(Name::deref)
.map(String::deref)
.unwrap_or_else(|| "<unknown>"),
version = package.version().deref(),
repo = package.repo().deref(),
status = status,
www = url
)
.map(|_| ())
.map_err(Error::from)
})
})
}
fn list_problems(&self, problems: Vec<Problem>) -> Result<()> {
let mut outlock = self.0.lock();
problems.iter().fold(Ok(()), |accu, problem| {
accu.and_then(|_| {
writeln!(
outlock,
"{repo:10} - {name:10} - {effname:10} - {maintainer:15} - {desc}",
repo = problem.repo().deref(),
name = problem.name().deref(),
effname = problem.effname().deref(),
maintainer = problem.maintainer().deref(),
desc = problem.problem_description()
)
.map(|_| ())
.map_err(Error::from)
})
})
}
}
|
