implement a news system

4 files changed, 168 insertions, 2 deletions

diff --git a/src/backend/__init__.py b/src/backend/__init__.py
index 0e54ce9..21dec83 100644
--- a/src/backend/__init__.py
+++ b/src/backend/__init__.py
@@ -3,6 +3,7 @@ from .dlbinpkg import *
 from .getclr import *
 from .getenv import *
 from .getfs import *
+from .getnews import *
 from .killemerge import *
 from .pkgadd import *
 from .pkgremove import *
diff --git a/src/backend/getfs.py b/src/backend/getfs.py
index 77e0b2d..27da9ba 100644
--- a/src/backend/getfs.py
+++ b/src/backend/getfs.py
@@ -17,6 +17,8 @@ p_cch_dir = '/var/cache/packages'
 p_dst_dir = '/var/cache/distfiles'
 p_mtd_dir = '/var/cache/edb'
 
+s_cfg_dir = '/etc/sisyphus'
+
 rmt_pcsv = '/var/lib/sisyphus/csv/remotePackagesPre.csv'
 rmt_dcsv = '/var/lib/sisyphus/csv/remoteDescriptionsPre.csv'
 lcl_pcsv = '/var/lib/sisyphus/csv/localPackagesPre.csv'
diff --git a/src/backend/getnews.py b/src/backend/getnews.py
new file mode 100644
index 0000000..ce56df4
--- /dev/null
+++ b/src/backend/getnews.py
@@ -0,0 +1,116 @@
+#!/usr/bin/python3
+
+import os
+import sisyphus.getclr
+import sisyphus.getfs
+
+NEWS_DIR = "news"
+
+N_NEWS_FILE = os.path.join(sisyphus.getfs.p_cfg_dir,
+                           os.path.join(NEWS_DIR, "n_news.txt"))
+R_NEWS_FILE = os.path.join(sisyphus.getfs.s_cfg_dir,
+                           os.path.join(NEWS_DIR, "r_news.txt"))
+DELIMITER = "---"
+
+
+def ld_n_news():
+    with open(N_NEWS_FILE, "r") as file:
+        content = file.read()
+        articles = content.split(DELIMITER)
+        return [article.strip() for article in articles if article.strip()]
+
+
+def ld_r_news():
+    try:
+        with open(R_NEWS_FILE, "r") as file:
+            return [int(line.strip()) for line in file.readlines()]
+    except FileNotFoundError:
+        return []
+
+
+def save_r_news(r_news):
+    with open(R_NEWS_FILE, "w") as file:
+        for index in r_news:
+            file.write(f"{index}\n")
+
+
+def mark_read(article_nr):
+    n_news = ld_n_news()
+
+    if 1 <= article_nr <= len(n_news):
+        article_index = article_nr - 1
+        r_news_index = ld_r_news()
+
+        if article_index in r_news_index:
+            print(f"\nArticle {sisyphus.getclr.green}{article_nr}{sisyphus.getclr.reset} is already marked as {sisyphus.getclr.green}read{sisyphus.getclr.reset}.")
+        else:
+            r_news_index.append(article_index)
+            save_r_news(r_news_index)
+            print(
+                f"\nArticle {sisyphus.getclr.green}{article_nr}{sisyphus.getclr.reset} marked as {sisyphus.getclr.green}read{sisyphus.getclr.reset}.")
+    else:
+        print(
+            f"\nArticle {sisyphus.getclr.green}{article_nr}{sisyphus.getclr.reset} doesn't exist.")
+
+
+def mark_unread(article_nr):
+    n_news = ld_n_news()
+
+    if 1 <= article_nr <= len(n_news):
+        article_index = article_nr - 1
+        r_news_index = ld_r_news()
+
+        if article_index not in r_news_index:
+            print(f"\nArticle {sisyphus.getclr.green}{article_nr}{sisyphus.getclr.reset} is already marked as {sisyphus.getclr.green}unread{sisyphus.getclr.reset}.")
+        else:
+            r_news_index.remove(article_index)
+            save_r_news(r_news_index)
+            print(
+                f"\nArticle {sisyphus.getclr.green}{article_nr}{sisyphus.getclr.reset} marked as {sisyphus.getclr.green}unread{sisyphus.getclr.reset}.")
+    else:
+        print(
+            f"\nArticle {sisyphus.getclr.green}{article_nr}{sisyphus.getclr.reset} doesn't exist.")
+
+
+def list_all_news():
+    n_news = ld_n_news()
+    r_news_index = ld_r_news()
+
+    for index, news in enumerate(n_news):
+        status = "Read" if index in r_news_index else "Unread"
+        print(
+            f"\nArticle {sisyphus.getclr.green}{index + 1}{sisyphus.getclr.reset} ({status}):\n{news}")
+
+
+def check_n_news():
+    n_news = ld_n_news()
+    r_news_index = ld_r_news()
+
+    unread_count = len(n_news) - len(r_news_index)
+
+    if unread_count > 0:
+        print(
+            f"\nThere are {sisyphus.getclr.bright_red}{unread_count}{sisyphus.getclr.reset} unread news article(s).")
+    else:
+        print(
+            f"\nThere are {sisyphus.getclr.green}{unread_count}{sisyphus.getclr.reset} unread news article(s).")
+
+
+def start(check=False, list=False, read=False, unread=False, article_nr=None):
+    if check:
+        check_n_news()
+
+    if list:
+        list_all_news()
+
+    if read:
+        if article_nr is not None:
+            mark_read(article_nr)
+        else:
+            print("\nError: No article number provided to mark as read.")
+
+    if unread:
+        if article_nr is not None:
+            mark_unread(article_nr)
+        else:
+            print("\nError: No article number provided to mark as unread.")
diff --git a/src/frontend/cli/sisyphus-cli.py b/src/frontend/cli/sisyphus-cli.py
index 33c45ff..053f111 100755
--- a/src/frontend/cli/sisyphus-cli.py
+++ b/src/frontend/cli/sisyphus-cli.py
@@ -8,8 +8,11 @@ import sys
 
 app = typer.Typer()
 mirrorSetup = typer.Typer()
+getNews = typer.Typer()
 app.add_typer(mirrorSetup, name="mirror",
               help='List/Set the active binhost (binary repository) mirror.')
+app.add_typer(getNews, name="news",
+              help='Check/List/Mark Read/Mark Unread news articles.')
 
 
 @app.callback()
@@ -324,7 +327,7 @@ def sysinfo():
 
 
 @mirrorSetup.command("list")
-def mirrorlist():
+def listmirrors():
     """
     List available binary package repository mirrors (the active one is marked with *).\n
     \n
@@ -335,7 +338,7 @@ def mirrorlist():
 
 
 @mirrorSetup.command("set")
-def mirrorset(index: int):
+def setmirror(index: int):
     """
     Change the binary package repository to the selected mirror.\n
     \n
@@ -346,6 +349,50 @@ def mirrorset(index: int):
     sisyphus.setmirror.setActive(index)
 
 
+@getNews.command("check")
+def checknews():
+    """
+    Check for unread news articles,\n
+    \n
+    * Example:\n
+        sisyphus news check\n
+    """
+    sisyphus.getnews.start(check=True)
+
+
+@getNews.command("list")
+def listnews():
+    """
+    List all news articles.\n
+    \n
+    * Example:\n
+        sisyphus news list\n
+    """
+    sisyphus.getnews.start(list=True)
+
+
+@getNews.command("read")
+def readnews(index: int):
+    """
+    Mark a news article as read.\n
+    \n
+    * Example:\n
+        sisyphus news read 1\n
+    """
+    sisyphus.getnews.start(read=True, article_nr=index)
+
+
+@getNews.command("unread")
+def unreadnews(index: int):
+    """
+    Mark a news article as unread.\n
+    \n
+    * Example:\n
+        sisyphus news unread 2\n
+    """
+    sisyphus.getnews.start(unread=True, article_nr=index)
+
+
 if __name__ == "__main__":
     if len(sys.argv) > 1 and not '--help' in sys.argv:
         sisyphus.setjobs.start()