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LICENSE
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GNU GENERAL PUBLIC LICENSE
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Version 3, 29 June 2007
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Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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Everyone is permitted to copy and distribute verbatim copies
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Preamble
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The GNU General Public License is a free, copyleft license for
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the predecessor has it or can get it with reasonable efforts.
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+
463
+
You may not impose any further restrictions on the exercise of the
464
+
rights granted or affirmed under this License. For example, you may
465
+
not impose a license fee, royalty, or other charge for exercise of
466
+
rights granted under this License, and you may not initiate litigation
467
+
(including a cross-claim or counterclaim in a lawsuit) alleging that
468
+
any patent claim is infringed by making, using, selling, offering for
469
+
sale, or importing the Program or any portion of it.
470
+
471
+
11. Patents.
472
+
473
+
A "contributor" is a copyright holder who authorizes use under this
474
+
License of the Program or a work on which the Program is based. The
475
+
work thus licensed is called the contributor's "contributor version".
476
+
477
+
A contributor's "essential patent claims" are all patent claims
478
+
owned or controlled by the contributor, whether already acquired or
479
+
hereafter acquired, that would be infringed by some manner, permitted
480
+
by this License, of making, using, or selling its contributor version,
481
+
but do not include claims that would be infringed only as a
482
+
consequence of further modification of the contributor version. For
483
+
purposes of this definition, "control" includes the right to grant
484
+
patent sublicenses in a manner consistent with the requirements of
485
+
this License.
486
+
487
+
Each contributor grants you a non-exclusive, worldwide, royalty-free
488
+
patent license under the contributor's essential patent claims, to
489
+
make, use, sell, offer for sale, import and otherwise run, modify and
490
+
propagate the contents of its contributor version.
491
+
492
+
In the following three paragraphs, a "patent license" is any express
493
+
agreement or commitment, however denominated, not to enforce a patent
494
+
(such as an express permission to practice a patent or covenant not to
495
+
sue for patent infringement). To "grant" such a patent license to a
496
+
party means to make such an agreement or commitment not to enforce a
497
+
patent against the party.
498
+
499
+
If you convey a covered work, knowingly relying on a patent license,
500
+
and the Corresponding Source of the work is not available for anyone
501
+
to copy, free of charge and under the terms of this License, through a
502
+
publicly available network server or other readily accessible means,
503
+
then you must either (1) cause the Corresponding Source to be so
504
+
available, or (2) arrange to deprive yourself of the benefit of the
505
+
patent license for this particular work, or (3) arrange, in a manner
506
+
consistent with the requirements of this License, to extend the patent
507
+
license to downstream recipients. "Knowingly relying" means you have
508
+
actual knowledge that, but for the patent license, your conveying the
509
+
covered work in a country, or your recipient's use of the covered work
510
+
in a country, would infringe one or more identifiable patents in that
511
+
country that you have reason to believe are valid.
512
+
513
+
If, pursuant to or in connection with a single transaction or
514
+
arrangement, you convey, or propagate by procuring conveyance of, a
515
+
covered work, and grant a patent license to some of the parties
516
+
receiving the covered work authorizing them to use, propagate, modify
517
+
or convey a specific copy of the covered work, then the patent license
518
+
you grant is automatically extended to all recipients of the covered
519
+
work and works based on it.
520
+
521
+
A patent license is "discriminatory" if it does not include within
522
+
the scope of its coverage, prohibits the exercise of, or is
523
+
conditioned on the non-exercise of one or more of the rights that are
524
+
specifically granted under this License. You may not convey a covered
525
+
work if you are a party to an arrangement with a third party that is
526
+
in the business of distributing software, under which you make payment
527
+
to the third party based on the extent of your activity of conveying
528
+
the work, and under which the third party grants, to any of the
529
+
parties who would receive the covered work from you, a discriminatory
530
+
patent license (a) in connection with copies of the covered work
531
+
conveyed by you (or copies made from those copies), or (b) primarily
532
+
for and in connection with specific products or compilations that
533
+
contain the covered work, unless you entered into that arrangement,
534
+
or that patent license was granted, prior to 28 March 2007.
535
+
536
+
Nothing in this License shall be construed as excluding or limiting
537
+
any implied license or other defenses to infringement that may
538
+
otherwise be available to you under applicable patent law.
539
+
540
+
12. No Surrender of Others' Freedom.
541
+
542
+
If conditions are imposed on you (whether by court order, agreement or
543
+
otherwise) that contradict the conditions of this License, they do not
544
+
excuse you from the conditions of this License. If you cannot convey a
545
+
covered work so as to satisfy simultaneously your obligations under this
546
+
License and any other pertinent obligations, then as a consequence you may
547
+
not convey it at all. For example, if you agree to terms that obligate you
548
+
to collect a royalty for further conveying from those to whom you convey
549
+
the Program, the only way you could satisfy both those terms and this
550
+
License would be to refrain entirely from conveying the Program.
551
+
552
+
13. Use with the GNU Affero General Public License.
553
+
554
+
Notwithstanding any other provision of this License, you have
555
+
permission to link or combine any covered work with a work licensed
556
+
under version 3 of the GNU Affero General Public License into a single
557
+
combined work, and to convey the resulting work. The terms of this
558
+
License will continue to apply to the part which is the covered work,
559
+
but the special requirements of the GNU Affero General Public License,
560
+
section 13, concerning interaction through a network will apply to the
561
+
combination as such.
562
+
563
+
14. Revised Versions of this License.
564
+
565
+
The Free Software Foundation may publish revised and/or new versions of
566
+
the GNU General Public License from time to time. Such new versions will
567
+
be similar in spirit to the present version, but may differ in detail to
568
+
address new problems or concerns.
569
+
570
+
Each version is given a distinguishing version number. If the
571
+
Program specifies that a certain numbered version of the GNU General
572
+
Public License "or any later version" applies to it, you have the
573
+
option of following the terms and conditions either of that numbered
574
+
version or of any later version published by the Free Software
575
+
Foundation. If the Program does not specify a version number of the
576
+
GNU General Public License, you may choose any version ever published
577
+
by the Free Software Foundation.
578
+
579
+
If the Program specifies that a proxy can decide which future
580
+
versions of the GNU General Public License can be used, that proxy's
581
+
public statement of acceptance of a version permanently authorizes you
582
+
to choose that version for the Program.
583
+
584
+
Later license versions may give you additional or different
585
+
permissions. However, no additional obligations are imposed on any
586
+
author or copyright holder as a result of your choosing to follow a
587
+
later version.
588
+
589
+
15. Disclaimer of Warranty.
590
+
591
+
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592
+
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593
+
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594
+
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595
+
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596
+
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597
+
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598
+
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599
+
600
+
16. Limitation of Liability.
601
+
602
+
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603
+
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604
+
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605
+
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606
+
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607
+
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608
+
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609
+
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610
+
SUCH DAMAGES.
611
+
612
+
17. Interpretation of Sections 15 and 16.
613
+
614
+
If the disclaimer of warranty and limitation of liability provided
615
+
above cannot be given local legal effect according to their terms,
616
+
reviewing courts shall apply local law that most closely approximates
617
+
an absolute waiver of all civil liability in connection with the
618
+
Program, unless a warranty or assumption of liability accompanies a
619
+
copy of the Program in return for a fee.
620
+
621
+
END OF TERMS AND CONDITIONS
622
+
623
+
How to Apply These Terms to Your New Programs
624
+
625
+
If you develop a new program, and you want it to be of the greatest
626
+
possible use to the public, the best way to achieve this is to make it
627
+
free software which everyone can redistribute and change under these terms.
628
+
629
+
To do so, attach the following notices to the program. It is safest
630
+
to attach them to the start of each source file to most effectively
631
+
state the exclusion of warranty; and each file should have at least
632
+
the "copyright" line and a pointer to where the full notice is found.
633
+
634
+
<one line to give the program's name and a brief idea of what it does.>
635
+
Copyright (C) <year> <name of author>
636
+
637
+
This program is free software: you can redistribute it and/or modify
638
+
it under the terms of the GNU General Public License as published by
639
+
the Free Software Foundation, either version 3 of the License, or
640
+
(at your option) any later version.
641
+
642
+
This program is distributed in the hope that it will be useful,
643
+
but WITHOUT ANY WARRANTY; without even the implied warranty of
644
+
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
645
+
GNU General Public License for more details.
646
+
647
+
You should have received a copy of the GNU General Public License
648
+
along with this program. If not, see <https://www.gnu.org/licenses/>.
649
+
650
+
Also add information on how to contact you by electronic and paper mail.
651
+
652
+
If the program does terminal interaction, make it output a short
653
+
notice like this when it starts in an interactive mode:
654
+
655
+
<program> Copyright (C) <year> <name of author>
656
+
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657
+
This is free software, and you are welcome to redistribute it
658
+
under certain conditions; type `show c' for details.
659
+
660
+
The hypothetical commands `show w' and `show c' should show the appropriate
661
+
parts of the General Public License. Of course, your program's commands
662
+
might be different; for a GUI interface, you would use an "about box".
663
+
664
+
You should also get your employer (if you work as a programmer) or school,
665
+
if any, to sign a "copyright disclaimer" for the program, if necessary.
666
+
For more information on this, and how to apply and follow the GNU GPL, see
667
+
<https://www.gnu.org/licenses/>.
668
+
669
+
The GNU General Public License does not permit incorporating your program
670
+
into proprietary programs. If your program is a subroutine library, you
671
+
may consider it more useful to permit linking proprietary applications with
672
+
the library. If this is what you want to do, use the GNU Lesser General
673
+
Public License instead of this License. But first, please read
674
+
<https://www.gnu.org/licenses/why-not-lgpl.html>.
+22
README.md
+22
README.md
···
1
+
# ⭐ Mayu
2
+
3
+
> Moe-Counter Compatible Website Hit Counter
4
+
5
+
## Usage
6
+
7
+
```bash
8
+
$ git clone git@github.com:Fuwn/mayu.git
9
+
$ cd mayu
10
+
$ gleam run
11
+
```
12
+
13
+
## Resource Attributions
14
+
15
+
- [A-SOUL_Official](https://space.bilibili.com/703007996)
16
+
- [Moebooru](https://github.com/moebooru/moebooru)
17
+
- [Rule 34](https://rule34.xxx) (NSFW)
18
+
- [Gelbooru](https://gelbooru.com) (NSFW)
19
+
20
+
## Licence
21
+
22
+
This project is licensed with the [GNU General Public License v3.0](LICENSE).
+24
gleam.toml
+24
gleam.toml
···
1
+
# For a full reference of all the available options, you can have a look at
2
+
# https://gleam.run/writing-gleam/gleam-toml/.
3
+
4
+
name = "mayu"
5
+
version = "0.1.0"
6
+
gleam = ">= 1.1.0"
7
+
description = "Moe-Counter Compatible Website Hit Counter"
8
+
licenses = ["GPL-3.0-only"]
9
+
repository = { type = "github", user = "Fuwn", repo = "mayu" }
10
+
11
+
[dependencies]
12
+
gleam_stdlib = ">= 0.34.0 and < 2.0.0"
13
+
wisp = ">= 0.14.0 and < 1.0.0"
14
+
gsv = ">= 1.4.0 and < 2.0.0"
15
+
gleam_erlang = ">= 0.25.0 and < 1.0.0"
16
+
gleam_http = ">= 3.6.0 and < 4.0.0"
17
+
mist = ">= 1.0.0 and < 2.0.0"
18
+
sqlight = ">= 0.9.0 and < 1.0.0"
19
+
gleam_json = ">= 1.0.1 and < 2.0.0"
20
+
simplifile = ">= 1.7.0 and < 2.0.0"
21
+
birl = ">= 1.6.1 and < 2.0.0"
22
+
23
+
[dev-dependencies]
24
+
gleeunit = ">= 1.0.0 and < 2.0.0"
+40
manifest.toml
+40
manifest.toml
···
1
+
# This file was generated by Gleam
2
+
# You typically do not need to edit this file
3
+
4
+
packages = [
5
+
{ name = "birl", version = "1.6.1", build_tools = ["gleam"], requirements = ["gleam_stdlib", "ranger"], otp_app = "birl", source = "hex", outer_checksum = "976CFF85D34D50F7775896615A71745FBE0C325E50399787088F941B539A0497" },
6
+
{ name = "esqlite", version = "0.8.7", build_tools = ["rebar3"], requirements = [], otp_app = "esqlite", source = "hex", outer_checksum = "AF89C66027704B681657FDCCFFCEAA238D0DD702D5F687CDA3037F1D599A7551" },
7
+
{ name = "exception", version = "2.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "exception", source = "hex", outer_checksum = "F5580D584F16A20B7FCDCABF9E9BE9A2C1F6AC4F9176FA6DD0B63E3B20D450AA" },
8
+
{ name = "filepath", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "EFB6FF65C98B2A16378ABC3EE2B14124168C0CE5201553DE652E2644DCFDB594" },
9
+
{ name = "gleam_crypto", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_crypto", source = "hex", outer_checksum = "ADD058DEDE8F0341F1ADE3AAC492A224F15700829D9A3A3F9ADF370F875C51B7" },
10
+
{ name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
11
+
{ name = "gleam_http", version = "3.6.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "8C07DF9DF8CC7F054C650839A51C30A7D3C26482AC241C899C1CEA86B22DBE51" },
12
+
{ name = "gleam_json", version = "1.0.1", build_tools = ["gleam"], requirements = ["gleam_stdlib", "thoas"], otp_app = "gleam_json", source = "hex", outer_checksum = "9063D14D25406326C0255BDA0021541E797D8A7A12573D849462CAFED459F6EB" },
13
+
{ name = "gleam_otp", version = "0.10.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "0B04FE915ACECE539B317F9652CAADBBC0F000184D586AAAF2D94C100945D72B" },
14
+
{ name = "gleam_stdlib", version = "0.37.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "5398BD6C2ABA17338F676F42F404B9B7BABE1C8DC7380031ACB05BBE1BCF3742" },
15
+
{ name = "gleeunit", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "72CDC3D3F719478F26C4E2C5FED3E657AC81EC14A47D2D2DEBB8693CA3220C3B" },
16
+
{ name = "glisten", version = "2.0.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_otp", "gleam_stdlib"], otp_app = "glisten", source = "hex", outer_checksum = "CF3A9383E9BA4A8CBAF2F7B799716290D02F2AC34E7A77556B49376B662B9314" },
17
+
{ name = "gsv", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gsv", source = "hex", outer_checksum = "4D6B08A60D38AB8D6605822B50A120E2BCDE1F3F2EA9DD3BBBEC3350CFB15D3F" },
18
+
{ name = "hpack_erl", version = "0.3.0", build_tools = ["rebar3"], requirements = [], otp_app = "hpack", source = "hex", outer_checksum = "D6137D7079169D8C485C6962DFE261AF5B9EF60FBC557344511C1E65E3D95FB0" },
19
+
{ name = "logging", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "logging", source = "hex", outer_checksum = "A996064F04EF6E67F0668FD0ACFB309830B05D0EE3A0C11BBBD2D4464334F792" },
20
+
{ name = "marceau", version = "1.1.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "1AAD727A30BE0F95562C3403BB9B27C823797AD90037714255EEBF617B1CDA81" },
21
+
{ name = "mist", version = "1.0.0", build_tools = ["gleam"], requirements = ["birl", "gleam_erlang", "gleam_http", "gleam_otp", "gleam_stdlib", "glisten", "hpack_erl", "logging"], otp_app = "mist", source = "hex", outer_checksum = "7765E53DCC9ACCACF217B8E0CA3DE7E848C783BFAE5118B75011E81C2C80385C" },
22
+
{ name = "ranger", version = "1.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "ranger", source = "hex", outer_checksum = "1566C272B1D141B3BBA38B25CB761EF56E312E79EC0E2DFD4D3C19FB0CC1F98C" },
23
+
{ name = "simplifile", version = "1.7.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "1D5DFA3A2F9319EC85825F6ED88B8E449F381B0D55A62F5E61424E748E7DDEB0" },
24
+
{ name = "sqlight", version = "0.9.0", build_tools = ["gleam"], requirements = ["esqlite", "gleam_stdlib"], otp_app = "sqlight", source = "hex", outer_checksum = "2D9C9BA420A5E7DCE7DB2DAAE4CAB0BE6218BEB48FD1531C583550B3D1316E94" },
25
+
{ name = "thoas", version = "1.2.0", build_tools = ["rebar3"], requirements = [], otp_app = "thoas", source = "hex", outer_checksum = "540C8CB7D9257F2AD0A14145DC23560F91ACDCA995F0CCBA779EB33AF5D859D1" },
26
+
{ name = "wisp", version = "0.14.0", build_tools = ["gleam"], requirements = ["exception", "gleam_crypto", "gleam_erlang", "gleam_http", "gleam_json", "gleam_stdlib", "logging", "marceau", "mist", "simplifile"], otp_app = "wisp", source = "hex", outer_checksum = "9F5453AF1F9275E6F8707BC815D6A6A9DF41551921B16FBDBA52883773BAE684" },
27
+
]
28
+
29
+
[requirements]
30
+
birl = { version = ">= 1.6.1 and < 2.0.0"}
31
+
gleam_erlang = { version = ">= 0.25.0 and < 1.0.0" }
32
+
gleam_http = { version = ">= 3.6.0 and < 4.0.0" }
33
+
gleam_json = { version = ">= 1.0.1 and < 2.0.0" }
34
+
gleam_stdlib = { version = ">= 0.34.0 and < 2.0.0" }
35
+
gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
36
+
gsv = { version = ">= 1.4.0 and < 2.0.0" }
37
+
mist = { version = ">= 1.0.0 and < 2.0.0" }
38
+
simplifile = { version = ">= 1.7.0 and < 2.0.0" }
39
+
sqlight = { version = ">= 0.9.0 and < 1.0.0" }
40
+
wisp = { version = ">= 0.14.0 and < 1.0.0" }
+87
src/database.gleam
+87
src/database.gleam
···
1
+
import birl
2
+
import gleam/dynamic
3
+
import sqlight
4
+
5
+
pub type Counter {
6
+
Counter(name: String, num: Int, created_at: String, updated_at: String)
7
+
}
8
+
9
+
pub fn setup(connection) {
10
+
let _ =
11
+
sqlight.exec(
12
+
"pragma foreign_keys = on;
13
+
14
+
create table if not exists tb_count (
15
+
id integer primary key autoincrement not null unique,
16
+
name text not null unique,
17
+
num int not null default (0)
18
+
) strict;",
19
+
connection,
20
+
)
21
+
let add_column = fn(name) {
22
+
let _ =
23
+
sqlight.exec(
24
+
"alter table tb_count add column "
25
+
<> name
26
+
<> " text default current_timestamp;",
27
+
connection,
28
+
)
29
+
30
+
Nil
31
+
}
32
+
33
+
add_column("created_at")
34
+
add_column("updated_at")
35
+
36
+
Nil
37
+
}
38
+
39
+
pub fn add_counter(connection, name) {
40
+
sqlight.query(
41
+
"insert into tb_count (name) values (?);",
42
+
with: [sqlight.text(name)],
43
+
on: connection,
44
+
expecting: dynamic.optional(dynamic.int),
45
+
)
46
+
}
47
+
48
+
pub fn get_counter(connection, name) {
49
+
let _ =
50
+
sqlight.query(
51
+
"insert or ignore into tb_count (name) values (?);",
52
+
with: [sqlight.text(name)],
53
+
on: connection,
54
+
expecting: dynamic.optional(dynamic.int),
55
+
)
56
+
let _ =
57
+
sqlight.query(
58
+
"update tb_count set num = num + 1, updated_at = ? where name = ?;",
59
+
with: [sqlight.text(birl.to_iso8601(birl.utc_now())), sqlight.text(name)],
60
+
on: connection,
61
+
expecting: dynamic.int,
62
+
)
63
+
64
+
case
65
+
sqlight.query(
66
+
"select name, num, created_at, updated_at from tb_count where name = ?;",
67
+
with: [sqlight.text(name)],
68
+
on: connection,
69
+
expecting: dynamic.tuple4(
70
+
dynamic.string,
71
+
dynamic.int,
72
+
dynamic.string,
73
+
dynamic.string,
74
+
),
75
+
)
76
+
{
77
+
Ok([first_element]) -> {
78
+
Counter(
79
+
first_element.0,
80
+
first_element.1,
81
+
first_element.2,
82
+
first_element.3,
83
+
)
84
+
}
85
+
_ -> Counter(name, 0, "", "")
86
+
}
87
+
}
+55
src/image.gleam
+55
src/image.gleam
···
1
+
import gleam/int
2
+
3
+
pub type ImageDimensions {
4
+
ImageDimensions(width: Int, height: Int)
5
+
}
6
+
7
+
pub fn get_image_dimensions(image) {
8
+
case image {
9
+
<<0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, _:bits>> ->
10
+
parse_png_chunks(image, 8)
11
+
<<
12
+
0x47,
13
+
0x49,
14
+
0x46,
15
+
_:16,
16
+
_:unsigned,
17
+
width_0:8,
18
+
width_1:8,
19
+
height_0:8,
20
+
height_1:8,
21
+
_rest:bits,
22
+
>> ->
23
+
Ok(ImageDimensions(
24
+
width_0
25
+
|> int.bitwise_or(
26
+
width_1
27
+
|> int.bitwise_shift_left(8),
28
+
),
29
+
height_0
30
+
|> int.bitwise_or(
31
+
height_1
32
+
|> int.bitwise_shift_left(8),
33
+
),
34
+
))
35
+
_ -> Error("Invalid PNG signature")
36
+
}
37
+
}
38
+
39
+
fn parse_png_chunks(image, offset) {
40
+
let offset_bits = offset * 8
41
+
42
+
case image {
43
+
<<
44
+
_:size(offset_bits),
45
+
_length:32,
46
+
"IHDR":utf8,
47
+
width:32,
48
+
height:32,
49
+
_:bits,
50
+
>> -> Ok(ImageDimensions(width, height))
51
+
<<_:size(offset), length:32, _:4, _:bits>> ->
52
+
parse_png_chunks(image, offset + length + 12)
53
+
_ -> Error("Invalid PNG chunk")
54
+
}
55
+
}
+29
src/mayu.gleam
+29
src/mayu.gleam
···
1
+
import database
2
+
import gleam/erlang/process
3
+
import mist
4
+
import request
5
+
import simplifile
6
+
import sqlight
7
+
import wisp
8
+
9
+
pub fn main() {
10
+
wisp.configure_logger()
11
+
12
+
let _ = simplifile.create_directory("./data")
13
+
14
+
use connection <- sqlight.with_connection("./data/mayu.sqlite3")
15
+
16
+
database.setup(connection)
17
+
18
+
let secret_key_base = wisp.random_string(64)
19
+
let assert Ok(_) =
20
+
wisp.mist_handler(
21
+
fn(request) { request.handle(request, connection) },
22
+
secret_key_base,
23
+
)
24
+
|> mist.new
25
+
|> mist.port(8080)
26
+
|> mist.start_http
27
+
28
+
process.sleep_forever()
29
+
}
+57
src/request.gleam
+57
src/request.gleam
···
1
+
import database
2
+
import gleam/json
3
+
import gleam/string_builder
4
+
import svg
5
+
import wisp.{type Response}
6
+
7
+
fn middleware(
8
+
request: wisp.Request,
9
+
handle: fn(wisp.Request) -> wisp.Response,
10
+
) -> wisp.Response {
11
+
let request = wisp.method_override(request)
12
+
13
+
use <- wisp.log_request(request)
14
+
use <- wisp.rescue_crashes
15
+
use request <- wisp.handle_head(request)
16
+
17
+
handle(request)
18
+
}
19
+
20
+
pub fn handle(request, connection) -> Response {
21
+
use _ <- middleware(request)
22
+
23
+
case wisp.path_segments(request) {
24
+
["heart-beat"] ->
25
+
wisp.html_response(string_builder.from_string("alive"), 200)
26
+
["get", "@" <> name] ->
27
+
wisp.ok()
28
+
|> wisp.set_header("Content-Type", "image/svg+xml")
29
+
|> wisp.string_body(svg.xml(
30
+
case wisp.get_query(request) {
31
+
[#("theme", theme)] -> theme
32
+
_ -> "asoul"
33
+
},
34
+
database.get_counter(connection, name).num,
35
+
))
36
+
["record", "@" <> name] -> {
37
+
let counter = database.get_counter(connection, name)
38
+
39
+
case
40
+
Ok(
41
+
json.to_string_builder(
42
+
json.object([
43
+
#("name", json.string(counter.name)),
44
+
#("num", json.int(counter.num)),
45
+
#("updated_at", json.string(counter.updated_at)),
46
+
#("created_at", json.string(counter.created_at)),
47
+
]),
48
+
),
49
+
)
50
+
{
51
+
Ok(builder) -> wisp.json_response(builder, 200)
52
+
Error(_) -> wisp.unprocessable_entity()
53
+
}
54
+
}
55
+
_ -> wisp.html_response(string_builder.from_string("Not found"), 404)
56
+
}
57
+
}
+96
src/svg.gleam
+96
src/svg.gleam
···
1
+
import gleam/bit_array
2
+
import gleam/int
3
+
import gleam/list
4
+
import gleam/string_builder
5
+
import image
6
+
import simplifile
7
+
8
+
type XmlImages {
9
+
XmlImages(xml: String, width: Int)
10
+
}
11
+
12
+
fn image(data, dimensions: image.ImageDimensions, width, extension) {
13
+
"<image
14
+
height=\"" <> int.to_string(dimensions.height) <> "\"
15
+
width=\"" <> int.to_string(dimensions.width) <> "\"
16
+
x=\"" <> int.to_string(width) <> "\"
17
+
y=\"0\"
18
+
xlink:href=\"data:image/" <> extension <> ";base64," <> bit_array.base64_encode(
19
+
data,
20
+
False,
21
+
) <> "\"/>"
22
+
}
23
+
24
+
fn images(theme, digits, width, height, svgs) {
25
+
case digits {
26
+
[] -> XmlImages(string_builder.to_string(svgs), width)
27
+
[digit, ..rest] -> {
28
+
let extension = case theme {
29
+
"asoul" | "gelbooru" | "moebooru" | "rule34" | "urushi" -> "gif"
30
+
_ -> "png"
31
+
}
32
+
33
+
case
34
+
simplifile.read_bits(
35
+
from: "./themes/"
36
+
<> theme
37
+
<> "/"
38
+
<> int.to_string(digit)
39
+
<> "."
40
+
<> extension,
41
+
)
42
+
{
43
+
Ok(data) -> {
44
+
case image.get_image_dimensions(data) {
45
+
Ok(dimensions) ->
46
+
images(
47
+
theme,
48
+
rest,
49
+
width + dimensions.width,
50
+
int.max(height, dimensions.height),
51
+
string_builder.append(
52
+
svgs,
53
+
image(data, dimensions, width, extension),
54
+
),
55
+
)
56
+
Error(_) -> XmlImages(string_builder.to_string(svgs), width)
57
+
}
58
+
}
59
+
Error(_) -> XmlImages(string_builder.to_string(svgs), width)
60
+
}
61
+
}
62
+
}
63
+
}
64
+
65
+
pub fn xml(theme, number) {
66
+
let xml =
67
+
images(
68
+
theme,
69
+
{
70
+
let assert Ok(digits) = int.digits(number, 10)
71
+
let digits_padding = 6 - list.length(digits)
72
+
73
+
case digits_padding {
74
+
n if n > 0 -> list.concat([list.repeat(0, digits_padding), digits])
75
+
_ -> digits
76
+
}
77
+
},
78
+
0,
79
+
0,
80
+
string_builder.new(),
81
+
)
82
+
83
+
"<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
84
+
<svg
85
+
height=\"{height}\"
86
+
style=\"image-rendering: pixelated;\"
87
+
version=\"1.1\"
88
+
width=\"" <> int.to_string(xml.width) <> "\"
89
+
xmlns=\"http://www.w3.org/2000/svg\"
90
+
xmlns:xlink=\"http://www.w3.org/1999/xlink\"
91
+
>
92
+
<title>Mayu</title>
93
+
94
+
<g>" <> xml.xml <> "</g>
95
+
</svg>"
96
+
}
themes/asoul/0.gif
themes/asoul/0.gif
This is a binary file and will not be displayed.
themes/asoul/1.gif
themes/asoul/1.gif
This is a binary file and will not be displayed.
themes/asoul/2.gif
themes/asoul/2.gif
This is a binary file and will not be displayed.
themes/asoul/3.gif
themes/asoul/3.gif
This is a binary file and will not be displayed.
themes/asoul/4.gif
themes/asoul/4.gif
This is a binary file and will not be displayed.
themes/asoul/5.gif
themes/asoul/5.gif
This is a binary file and will not be displayed.
themes/asoul/6.gif
themes/asoul/6.gif
This is a binary file and will not be displayed.
themes/asoul/7.gif
themes/asoul/7.gif
This is a binary file and will not be displayed.
themes/asoul/8.gif
themes/asoul/8.gif
This is a binary file and will not be displayed.
themes/asoul/9.gif
themes/asoul/9.gif
This is a binary file and will not be displayed.
themes/gelbooru-h/0.png
themes/gelbooru-h/0.png
This is a binary file and will not be displayed.
themes/gelbooru-h/1.png
themes/gelbooru-h/1.png
This is a binary file and will not be displayed.
themes/gelbooru-h/2.png
themes/gelbooru-h/2.png
This is a binary file and will not be displayed.
themes/gelbooru-h/3.png
themes/gelbooru-h/3.png
This is a binary file and will not be displayed.
themes/gelbooru-h/4.png
themes/gelbooru-h/4.png
This is a binary file and will not be displayed.
themes/gelbooru-h/5.png
themes/gelbooru-h/5.png
This is a binary file and will not be displayed.
themes/gelbooru-h/6.png
themes/gelbooru-h/6.png
This is a binary file and will not be displayed.
themes/gelbooru-h/7.png
themes/gelbooru-h/7.png
This is a binary file and will not be displayed.
themes/gelbooru-h/8.png
themes/gelbooru-h/8.png
This is a binary file and will not be displayed.
themes/gelbooru-h/9.png
themes/gelbooru-h/9.png
This is a binary file and will not be displayed.
themes/gelbooru/0.gif
themes/gelbooru/0.gif
This is a binary file and will not be displayed.
themes/gelbooru/1.gif
themes/gelbooru/1.gif
This is a binary file and will not be displayed.
themes/gelbooru/2.gif
themes/gelbooru/2.gif
This is a binary file and will not be displayed.
themes/gelbooru/3.gif
themes/gelbooru/3.gif
This is a binary file and will not be displayed.
themes/gelbooru/4.gif
themes/gelbooru/4.gif
This is a binary file and will not be displayed.
themes/gelbooru/5.gif
themes/gelbooru/5.gif
This is a binary file and will not be displayed.
themes/gelbooru/6.gif
themes/gelbooru/6.gif
This is a binary file and will not be displayed.
themes/gelbooru/7.gif
themes/gelbooru/7.gif
This is a binary file and will not be displayed.
themes/gelbooru/8.gif
themes/gelbooru/8.gif
This is a binary file and will not be displayed.
themes/gelbooru/9.gif
themes/gelbooru/9.gif
This is a binary file and will not be displayed.
themes/moebooru-h/0.png
themes/moebooru-h/0.png
This is a binary file and will not be displayed.
themes/moebooru-h/1.png
themes/moebooru-h/1.png
This is a binary file and will not be displayed.
themes/moebooru-h/2.png
themes/moebooru-h/2.png
This is a binary file and will not be displayed.
themes/moebooru-h/3.png
themes/moebooru-h/3.png
This is a binary file and will not be displayed.
themes/moebooru-h/4.png
themes/moebooru-h/4.png
This is a binary file and will not be displayed.
themes/moebooru-h/5.png
themes/moebooru-h/5.png
This is a binary file and will not be displayed.
themes/moebooru-h/6.png
themes/moebooru-h/6.png
This is a binary file and will not be displayed.
themes/moebooru-h/7.png
themes/moebooru-h/7.png
This is a binary file and will not be displayed.
themes/moebooru-h/8.png
themes/moebooru-h/8.png
This is a binary file and will not be displayed.
themes/moebooru-h/9.png
themes/moebooru-h/9.png
This is a binary file and will not be displayed.
themes/moebooru/0.gif
themes/moebooru/0.gif
This is a binary file and will not be displayed.
themes/moebooru/1.gif
themes/moebooru/1.gif
This is a binary file and will not be displayed.
themes/moebooru/2.gif
themes/moebooru/2.gif
This is a binary file and will not be displayed.
themes/moebooru/3.gif
themes/moebooru/3.gif
This is a binary file and will not be displayed.
themes/moebooru/4.gif
themes/moebooru/4.gif
This is a binary file and will not be displayed.
themes/moebooru/5.gif
themes/moebooru/5.gif
This is a binary file and will not be displayed.
themes/moebooru/6.gif
themes/moebooru/6.gif
This is a binary file and will not be displayed.
themes/moebooru/7.gif
themes/moebooru/7.gif
This is a binary file and will not be displayed.
themes/moebooru/8.gif
themes/moebooru/8.gif
This is a binary file and will not be displayed.
themes/moebooru/9.gif
themes/moebooru/9.gif
This is a binary file and will not be displayed.
themes/rule34/0.gif
themes/rule34/0.gif
This is a binary file and will not be displayed.
themes/rule34/1.gif
themes/rule34/1.gif
This is a binary file and will not be displayed.
themes/rule34/2.gif
themes/rule34/2.gif
This is a binary file and will not be displayed.
themes/rule34/3.gif
themes/rule34/3.gif
This is a binary file and will not be displayed.
themes/rule34/4.gif
themes/rule34/4.gif
This is a binary file and will not be displayed.
themes/rule34/5.gif
themes/rule34/5.gif
This is a binary file and will not be displayed.
themes/rule34/6.gif
themes/rule34/6.gif
This is a binary file and will not be displayed.
themes/rule34/7.gif
themes/rule34/7.gif
This is a binary file and will not be displayed.
themes/rule34/8.gif
themes/rule34/8.gif
This is a binary file and will not be displayed.
themes/rule34/9.gif
themes/rule34/9.gif
This is a binary file and will not be displayed.
themes/urushi/0.gif
themes/urushi/0.gif
This is a binary file and will not be displayed.
themes/urushi/1.gif
themes/urushi/1.gif
This is a binary file and will not be displayed.
themes/urushi/2.gif
themes/urushi/2.gif
This is a binary file and will not be displayed.
themes/urushi/3.gif
themes/urushi/3.gif
This is a binary file and will not be displayed.
themes/urushi/4.gif
themes/urushi/4.gif
This is a binary file and will not be displayed.
themes/urushi/5.gif
themes/urushi/5.gif
This is a binary file and will not be displayed.
themes/urushi/6.gif
themes/urushi/6.gif
This is a binary file and will not be displayed.
themes/urushi/7.gif
themes/urushi/7.gif
This is a binary file and will not be displayed.
themes/urushi/8.gif
themes/urushi/8.gif
This is a binary file and will not be displayed.
themes/urushi/9.gif
themes/urushi/9.gif
This is a binary file and will not be displayed.