commit 0eb7692a92641249f0c5d1f5c19e2759892981d2
Author: Bakar Chargeishvili <bakar@bcharge.de>
Date:   Mon, 11 Dec 2023 14:00:43 +0100

Initial commit

Diffstat:
A
.gitignore
 | 
2
++
A
LICENSE
 | 
29
+++++++++++++++++++++++++++++
A
Makefile
 | 
40
++++++++++++++++++++++++++++++++++++++++
A
README.md
 | 
3
+++
A
welcome.c
 | 
179
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

5 files changed, 253 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,2 @@
+*.o
+welcome
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2023, Bakar Chargeishvili
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Makefile b/Makefile
@@ -0,0 +1,40 @@
+# welcome - a program which always greets you
+# See LICENSE file for copyright and license details.
+
+#version
+VERSION = 0.1
+
+# paths
+PREFIX = /usr/local
+
+# includes and libs
+INCS = -I$(PREFIX)/include
+LIBS = -L$(PREFIX)/lib -lncurses -l curl
+
+# flags
+CFLAGS   = -pedantic -Wall -Os $(INCS)
+LDFLAGS  = $(LIBS)
+
+# compiler and linker
+CC = cc
+
+SRC = welcome.c
+OBJ = $(SRC:.c=.o)
+
+all: options welcome
+
+options:
+	@echo welcome build options:
+	@echo "CFLAGS   = $(CFLAGS)"
+	@echo "LDFLAGS  = $(LDFLAGS)"
+	@echo "CC       = $(CC)"
+
+.c.o:
+	$(CC) -c $(CFLAGS) $<
+
+welcome: welcome.o
+	#gcc -Wall -lncurses -l curl welcome.c -o welcome
+	$(CC) -o $@ welcome.o $(LDFLAGS)
+
+clean:
+	rm -f welcome $(OBJ)
diff --git a/README.md b/README.md
@@ -0,0 +1,3 @@
+# Welcome - a program which always greets you
+
+Coming soon...
diff --git a/welcome.c b/welcome.c
@@ -0,0 +1,179 @@
+/* See LICENSE file for copyright and license details. */
+
+#include <curses.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <curl/curl.h>
+#include <locale.h>
+
+#define MAXPIPE 1024
+#define EVBOX_W 50
+
+typedef struct {
+	char *ptr;
+	size_t len;
+} string;
+
+void init_string(string *s) {
+	s->len = 0;
+	s->ptr = malloc(s->len+1);
+	if (s->ptr == NULL) {
+		fprintf(stderr, "malloc() failed\n");
+		exit(EXIT_FAILURE);
+	}
+	s->ptr[0] = '\0';
+}
+
+size_t writefunc(void *ptr, size_t size, size_t nmemb, string *s)
+{
+	size_t new_len = s->len + size*nmemb;
+	s->ptr = realloc(s->ptr, new_len+1);
+	if (s->ptr == NULL) {
+		fprintf(stderr, "realloc() failed\n");
+		exit(EXIT_FAILURE);
+	}
+	memcpy(s->ptr+s->len, ptr, size*nmemb);
+	s->ptr[new_len] = '\0';
+	s->len = new_len;
+
+	return size*nmemb;
+}
+
+int curl(char* input, string* output)
+{
+	CURL *curl;
+	CURLcode res;
+
+	curl = curl_easy_init();
+	if(curl) {
+		//string s;
+		//init_string(&s);
+
+		curl_easy_setopt(curl, CURLOPT_URL, input);
+		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writefunc);
+		curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+		curl_easy_setopt(curl, CURLOPT_WRITEDATA, output);
+		res = curl_easy_perform(curl);
+
+		//printf("Inside curl: %s", output->ptr);
+		//free(s.ptr);
+
+		/* always cleanup */
+		curl_easy_cleanup(curl);
+	}
+	return 0;
+}
+
+int pipe(char* input, char* output) {
+    //char buf[11500] = {0};
+    char* buf = output;
+
+    FILE *fp;
+
+    if ((fp = popen(input, "r")) == NULL) {
+        printf("Error opening pipe!\n");
+    }
+    size_t len=MAXPIPE;
+    getdelim(&buf, &len, '\0', fp);
+    //while (fgets(buf, 400, fp) != NULL) {
+	    //mvaddstr(++lineno, COLS/2-shift, buf);
+	    //printw(buf);
+	    //printf("OUTPUT: %s", buf);
+    //}
+    //printf("OUTPUT: %s", output);
+
+    if (pclose(fp)) {
+        printf("Command not found or exited with error status\n");
+    }
+
+    return 0;
+}
+
+int print_greet(WINDOW* frame) {
+    char buf[500] = {0};
+    const char *cmd = "figlet Welcome Bakar!";
+
+    FILE *fp;
+
+    if ((fp = popen(cmd, "r")) == NULL) {
+        printf("Error opening pipe!\n");
+    }
+    //ssize_t bytes_read = getdelim(&buf, &len, '\0', fp);
+    int lineno = 0;
+    int shift = 0;
+    while (fgets(buf, 400, fp) != NULL) {
+	    if(lineno==0)
+			shift=strlen(buf)/2;
+	    mvwaddstr(frame,++lineno, COLS/2-shift, buf);
+	    //printw(buf);
+	    //printf("OUTPUT: %s", buf);
+    }
+
+    if (pclose(fp)) {
+        printf("Command not found or exited with error status\n");
+    }
+
+    return 0;
+}
+
+int main()
+{
+	setlocale(LC_ALL, "");
+	initscr();
+	cbreak();
+	noecho();
+	curs_set(0);
+	start_color();
+	init_pair(1, COLOR_RED, COLOR_BLACK);
+
+	WINDOW* mainframe = newwin(LINES,COLS-2,0,1);
+
+	wattron(mainframe,COLOR_PAIR(1));
+	//printw("Hello World !!!");
+    wattron(mainframe,A_BLINK);
+    wattron(mainframe,A_BOLD);
+    print_greet(mainframe);
+    wattroff(mainframe,A_BLINK);
+
+    /*****************************
+	*  Extract the information   *
+	*****************************/
+	string location;
+	init_string(&location);
+	string temperature;
+	init_string(&temperature);
+	char *events = calloc(MAXPIPE + 1,sizeof(char));
+	char *today  = calloc(MAXPIPE + 1,sizeof(char));
+	curl("wttr.in/?format=%l",&location);
+	curl("wttr.in/?format=%t%20(%f)",&temperature);
+	pipe("calcurse -r7 --format-apt='- %S -> %E %m\n' --output-datefmt=\"%B %d, %Y\"",events);
+	pipe("date '+%B %d, %Y' | tr -d '\n'",today);
+	if(events[0]=='\0')
+		strcpy(events,"🎉 Looks like you have not planned anything 🎉\n"
+				);
+
+	/***************************
+	*  Print the information   *
+	***************************/
+	wprintw(mainframe,"Today is:\t%s\n",today);
+	wprintw(mainframe,"We are in:\t%s\n",location.ptr);
+	wprintw(mainframe,"Temperature:\t%s\n",temperature.ptr);
+	refresh();
+	wrefresh(mainframe);
+
+	WINDOW* fr = newwin(LINES/2,EVBOX_W,LINES/2,(COLS-EVBOX_W)/2);
+	WINDOW* c  = derwin(fr,LINES/2-2,EVBOX_W-4,1,2);
+	box(fr,0,0);
+	//wmove(fr, 0, 0);
+	//printw("Events within next 7 days:\t%s\n",events);
+	char evts_title[]="Events within next 7 days\n\n";
+	mvwaddstr(c,0,(EVBOX_W-strlen(evts_title))/2-1,evts_title);
+	wprintw(c,events);
+	wrefresh(fr);
+
+	getch();
+	endwin();
+
+	return 0;
+}