class App

Public Class Methods

new() click to toggle source

creates a new CLI and Scrape object upon initialization

# File lib/askoverflow/app.rb, line 3
def initialize
    @ui = CLI.new
    @scraper = Scrape.new
end

Public Instance Methods

f_query(raw) click to toggle source

formats the user's search string into the stackoverflow url query format

# File lib/askoverflow/app.rb, line 9
def f_query(raw)
    fq = raw.gsub(" ", "+")
    return "q=#{fq}"
end

make_url(query) click to toggle source

take the user's raw search string and return a url

# File lib/askoverflow/app.rb, line 14
def make_url(query)
    base = 'https://stackoverflow.com/search?'
    q = f_query(query)
    answeredOnly = "+hasaccepted%3Atrue"
    return "#{base}#{q}#{answeredOnly}"
end

run() click to toggle source

this is the main program control

# File lib/askoverflow/app.rb, line 21
def run
    # greets the user on start
    @ui.greet
    # main loop
    running = true
    while running
        # preemptively clear Results for multiple searches
        # prompt the user for their search terms
        # exit if desired by user
        # otherwise scrape results from query
        Result.clear_results
        @ui.prompt_search
        query = gets.strip
        break if query == 'exit'
        url = make_url(query)
        @scraper.scrape_results(url)
        # "viewing loop"
        # this loop allows the user to return to the results
        # display or to try a different search
        # displays scraped results, prompts the user for a
        # specific result, to return to try another search
        # or exit the program
        viewing_results = true
        while viewing_results
            @ui.display_results
            @ui.prompt_result
            result_id = gets.strip
            if result_id == 'exit'
                running = false 
                break
            end
            break if result_id == 'back'
            # Scrapes the specific result, and adds data
            chosen_result = Result.find_by_id(result_id)
            @scraper.scrape_specific(chosen_result)
            # "Specific View Loop"
            # this loop allows us to view a specific result
            # and subsequently return to the results list
            viewing_result = true
            while viewing_result
                @ui.display_question(chosen_result)
                @ui.prompt_next
                @ui.display_answer(chosen_result)
                @ui.prompt_return
                break
            end
        end
    end
    @ui.goodbye
end