TaskManager/taskmanager/libs/task_funcs.sh

#!/bin/bash

source libs/color_vars.sh

declare -a desc_files
declare -a todays_tasks

function load_tasks
{
    if [[ -n $(ls Tasks/) ]]; then
        desc_files=($(ls Tasks/*.description*))
    fi
}

function load_todays_tasks
{
    if [[ -n $(ls Today/) ]]; then
        todays_tasks=($(ls Today/*.description*))
    fi

}

# Test if filename end in .done
# Args: $1 = taskfile
function is_done
{
    if [[ "${1##*.}" == "done" ]]; then
        return 0
    else
        return 1
    fi
}

# Print task title
# Args: $1 = taskfile
function print_task_title
{
    color_task $1
    head -n 1 "$1"
    echo -ne "$RESET_COLOR"
}

# Set colors on tasks that are done and active.
# Args: $1 = filename
function color_task
{
    local ret
    if is_done $1; then
        echo -ne "$FG_GREEN$FG_BOLD"
    else
        echo -ne "$FG_CYAN"
    fi
}

# echo the filename of the logfile for a taskfile
# Args: $1 = taskfile
function get_logfile_name
{
    if is_done $1; then
        echo -ne "${1%.description.done}.log"
    else
        echo -ne "${1%.description}.log"
    fi
}

# echo logfile date
# Args: $1 = taskfile
function print_logfile_date
{
    stat -c %y "$(get_logfile_name $1)" | sed -n -e 's/\(.*\)\..*/\1/p'
}

function show_tasks
{
    if [[ -v $desc_files ]]; then
        echo "No tasks."
        return 1
    fi

    local n_elements=${#desc_files[@]}

    for ((i=0; i < n_elements; i++)); do
        echo -ne "${FG_BOLD}[$i] "
        print_task_title ${desc_files[$i]};
        echo -ne "\t${FG_BOLD}Log Change: ${RESET_COLOR}"
        print_logfile_date ${desc_files[$i]}
    done
    return 0
}

function todays_tasks_show
{
    if [[ -v $todays_tasks ]]; then
        echo "No tasks."
        return 1
    fi

    local n_elements=${#todays_tasks[@]}

    for ((i=0; i < n_elements; i++)); do
        echo -ne "${FG_BOLD}[$i] "
        print_task_title ${todays_tasks[$i]}
        echo -ne "\t${FG_BOLD}Log Change: ${RESET_COLOR}"

        local tasklog_file="Tasks/${todays_tasks[$i]##*/}"
        print_logfile_date $tasklog_file
    done
    return 0
}

function open_log
{
    if [[ $1 == "-tasks" ]]; then
        load_tasks

        if(($2 < ${#desc_files[@]})); then
            nano "${desc_files[$2]%.description}.log"
            return 0
        fi
    else
        load_todays_tasks

        if(($1 < ${#todays_tasks[@]})); then
            local tasklog_file="${todays_tasks[$1]##*/}"
            nano "Tasks/${tasklog_file%.description}.log"
            return 0
        fi
    fi
    return 1
}

function show_description
{
    if [[ $1 == "-today" ]]; then
        load_todays_tasks

        if(($2 < ${#todays_tasks[@]})); then
            echo -n "Log updated: "
            local tasklog_file="Tasks/${todays_tasks[$i]##*/}"
            print_logfile_date $tasklog_file
            echo ""
            tail -n +3 ${todays_tasks[$2]}
            return 0
        fi
    else
        load_tasks

        if(($1 < ${#desc_files[@]})); then
            echo -n "Log updated: "
            print_logfile_date ${desc_files[$1]}
            echo ""
            tail -n +3 ${desc_files[$1]}
            return 0
        fi
    fi
    return 1
}

# Works on today tasks
# Input task number
function task_done
{
    task_file=${todays_tasks[$1]##*/}
    unlink Today/$task_file
    mv Tasks/$task_file Tasks/$task_file.done
    ln -r -s Tasks/$task_file.done Today/
}

function task_undone
{
        task_file=${todays_tasks[$1]##*/}
        unlink Today/$task_file
        mv Tasks/$task_file Tasks/${task_file%.done}
        ln -r -s Tasks/${task_file%.done} Today/
}

function get_new_bottom_number
{
    filenum=${#desc_files[@]}

    while((4 > ${#filenum})); do
            filenum="0${filenum}";
    done

    echo $filenum
}

# Low Priority
# Add a new task through script instead of manual file creation
# If we delete a file. The leading numbers and order will be fucked.
function new_task
{
    echo "New Task Title (only spaces, dots, alphabetical and numbers): "
    read task_title
    echo "New Task Description (end input with Ctrl+D): "
    task_description=$(cat)

    local num

    if [[ $desc_files != 0 ]]; then
        num=$(get_new_bottom_number)

        if((4 < ${#num})); then
            echo "Error: Too many tasks?"
            exit
        fi
    else
        num="0000"
    fi

    local filename=$(echo -ne "$task_title" | sed 's/ /_/g')
    filename=${filename,,}

    echo -e "$task_title" >> "Tasks/${num}-${filename}.description"
    echo -e "\n$task_description" >> "Tasks/${num}-${filename}.description"
    touch "Tasks/${num}-${filename}.log"
}

# High Priority
# Makes the appropriate symlinking to the Today folder
function take_task
{
    ln -r -s "${desc_files[$1]}" Today/
}