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bac73b1a85
| Author | SHA1 | Date |
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 Ivan I. Ovchinnikov
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bac73b1a85 | |
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Ivan I. Ovchinnikov
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a44039a554 | |
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Ivan I. Ovchinnikov
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e90138636e | |
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Ivan I. Ovchinnikov
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d9cf270389 |
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<title>digg.com: Stories / Science / Popular</title>
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<title>Renewable Energy Accounts For Largest Increase On U.S. Grid.</title>
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<description>For the first time, renewable energy sources accounted for the biggest share in the increase of US's electrical capacity. This means that, thanks mostly to the burgeoning wind power industry, more renewable energy sources sprung up in 2007 than environmental ne'er do wells like coal-burning plants.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/Nryq6mJ65c0" height="1" width="1"/></description>
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<title>World's highest drug levels entering India stream</title>
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<description>When researchers analyzed vials of treated wastewater taken from a plant where about 90 Indian drug factories dump their residues, they were shocked. Enough of a single, powerful antibiotic was being spewed into one stream each day to treat every person in a city of 90,000.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/Nex5m15mqXI" height="1" width="1"/></description>
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<title>Manhattan: Then and Now [PIC]</title>
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<item>
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<title>1,800-Year-Old Figurine Found in Jerusalem</title>
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<description>Israeli archaeologists say they have discovered a rare 1,800-year-old figurine in a Jerusalem excavation. Dating from the time of the Roman Empire, the 2-inch marble bust depicts the head of a man with a short curly beard and almond-shaped eyes.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/TtfYH-Eycmc" height="1" width="1"/></description>
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<pubDate>Mon, 26 Jan 2009 21:00:01 +0000</pubDate>
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<item>
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<title>Obama Takes Steps to Reverse Bush Climate Policies</title>
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<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/llC9cMlDjPU/Obama_Takes_Steps_to_Reverse_Bush_Climate_Policies</link>
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<description>WASHINGTON (Reuters) - U.S. President Barack Obama told the Environmental Protection Agency on Monday to reconsider California's request to regulate greenhouse gas emissions from cars, reversing the climate policies of Bush.The new policies will be based on tougher regulations for emissions.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/llC9cMlDjPU" height="1" width="1"/></description>
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<pubDate>Mon, 26 Jan 2009 19:50:16 +0000</pubDate>
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<item>
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<title>Strange Asteroid 2009 BD Stalks the Earth</title>
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<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/8ODK-PfQEKY/Strange_Asteroid_2009_BD_Stalks_the_Earth</link>
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<description>A 10 meter-wide asteroid named 2009 BD discovered earlier this month is making a slow pass of the Earth, coming within 400,000 miles of our planet. The near-Earth asteroid (NEO) poses no threat to us, but it is an oddity worth studying. Astronomers believe the rock is a rare "co-orbital asteroid" which follows the orbit of the Earth, not receding m<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/8ODK-PfQEKY" height="1" width="1"/></description>
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<pubDate>Mon, 26 Jan 2009 16:30:01 +0000</pubDate>
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<description>Scientists are planning this week to start a highly controversial experiment in changing the composition of the oceans, in apparent contravention of international law. The experiment – to be conducted in the Southern Ocean – aims to create a bloom of plankton so big that it will be visible from outer space.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/khG4CiCE2d8" height="1" width="1"/></description>
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<pubDate>Mon, 26 Jan 2009 08:30:02 +0000</pubDate>
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||||
<title>Smuggler Caught With Heads of 353 African Gray Parrots</title>
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<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/Fs3Rona5dFg/Smuggler_Caught_With_Heads_of_353_African_Gray_Parrots</link>
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||||
<description>A new trade in parrot heads and tail feathers is adding to the pressure on the world’s wild population of African Grey Parrots, which is confined to the tropical forest area of West and Central Africa. One suspect arrested by game rangers who was found to be carrying 353 parrot heads and 2000 tail feathers.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/Fs3Rona5dFg" height="1" width="1"/></description>
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<pubDate>Mon, 26 Jan 2009 05:30:03 +0000</pubDate>
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<item>
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<title>Obama To Allow States To Regulate Auto Emissions</title>
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|
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<description>In a sharp reversal of Bush administration policy, California and 13 other states will be allowed to set stricter automobile emissions and fuel efficiency standards. Under the policy, automobile manufacturers must begin producing and selling cars and trucks that get higher mileage than the national standard, against the wishes of auto companies.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/Q0SvR30Hgic" height="1" width="1"/></description>
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<pubDate>Mon, 26 Jan 2009 04:00:02 +0000</pubDate>
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<item>
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<title>17 Astronauts Who Paid The Ultimate Price</title>
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||||
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||||
<description>The tragedies that killed three Apollo astronauts and two space shuttle crews have anniversaries during less than one week's time: Apollo 1 on Jan. 27, 1967; Challenger on Jan. 28, 1986; and Columbia on Feb. 1, 2003.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/kWgyApkKV9o" height="1" width="1"/></description>
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<pubDate>Mon, 26 Jan 2009 02:20:02 +0000</pubDate>
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<guid isPermaLink="false">http://digg.com/environment/Colleges_turn_french_fry_oil_into_fuel</guid>
|
||||
<digg:submitter>
|
||||
<digg:username>kayleeking</digg:username>
|
||||
<digg:userimage>http://digg.com/users/kayleeking/l.png</digg:userimage>
|
||||
</digg:submitter>
|
||||
<feedburner:origLink>http://digg.com/environment/Colleges_turn_french_fry_oil_into_fuel</feedburner:origLink></item>
|
||||
<item>
|
||||
<title>"Hobbits" Were Separate Species, Skull Suggests</title>
|
||||
<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/aB1vUyb4HaA/Hobbits_Were_Separate_Species_Skull_Suggests</link>
|
||||
<description>The skull of the so-called hobbit discovered on the Indonesian island of Flores in 2003 suggests its owner was an archaic human ancestor, not a diminutive or diseased modern human, according to a new study.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/aB1vUyb4HaA" height="1" width="1"/></description>
|
||||
<pubDate>Sat, 24 Jan 2009 18:20:02 +0000</pubDate>
|
||||
<digg:diggCount>587</digg:diggCount>
|
||||
<digg:category>General Sciences</digg:category>
|
||||
<digg:commentCount>42</digg:commentCount>
|
||||
<guid isPermaLink="false">http://digg.com/general_sciences/Hobbits_Were_Separate_Species_Skull_Suggests</guid>
|
||||
<digg:submitter>
|
||||
<digg:username>imbanksy</digg:username>
|
||||
<digg:userimage>http://digg.com/users/imbanksy/l.png</digg:userimage>
|
||||
</digg:submitter>
|
||||
<feedburner:origLink>http://digg.com/general_sciences/Hobbits_Were_Separate_Species_Skull_Suggests</feedburner:origLink></item>
|
||||
<item>
|
||||
<title>Do Taxi Drivers Grow Bigger Brains By Remembering Routes?</title>
|
||||
<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/mnAnRpL15zU/Do_Taxi_Drivers_Grow_Bigger_Brains_By_Remembering_Routes</link>
|
||||
<description>When they hit a dead end in their research, scientists unraveling the mysteries of memory turned to an unexpected source for help. Do taxi drivers grow bigger brains by remembering routes?<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/mnAnRpL15zU" height="1" width="1"/></description>
|
||||
<pubDate>Sat, 24 Jan 2009 17:50:01 +0000</pubDate>
|
||||
<digg:diggCount>333</digg:diggCount>
|
||||
<digg:category>General Sciences</digg:category>
|
||||
<digg:commentCount>54</digg:commentCount>
|
||||
<guid isPermaLink="false">http://digg.com/general_sciences/Do_Taxi_Drivers_Grow_Bigger_Brains_By_Remembering_Routes</guid>
|
||||
<digg:submitter>
|
||||
<digg:username>jaybol</digg:username>
|
||||
<digg:userimage>http://digg.com/users/jaybol/l.png</digg:userimage>
|
||||
</digg:submitter>
|
||||
<feedburner:origLink>http://digg.com/general_sciences/Do_Taxi_Drivers_Grow_Bigger_Brains_By_Remembering_Routes</feedburner:origLink></item>
|
||||
<item>
|
||||
<title>Small earthquake rattles western Los Angeles 01/23/2009 7:42</title>
|
||||
<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/axmZZiCvlUk/Small_earthquake_rattles_western_Los_Angeles_01_23_2009_7_42</link>
|
||||
<description>The U.S. Geological Survey said the 3.4-magnitude quake hit at 7:42 p.m. near the Venice boardwalk, a popular recreation spot for tourists and residents<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/axmZZiCvlUk" height="1" width="1"/></description>
|
||||
<pubDate>Sat, 24 Jan 2009 15:10:12 +0000</pubDate>
|
||||
<digg:diggCount>393</digg:diggCount>
|
||||
<digg:category>Environment</digg:category>
|
||||
<digg:commentCount>80</digg:commentCount>
|
||||
<guid isPermaLink="false">http://digg.com/environment/Small_earthquake_rattles_western_Los_Angeles_01_23_2009_7_42</guid>
|
||||
<digg:submitter>
|
||||
<digg:username>Tomboys</digg:username>
|
||||
<digg:userimage>http://digg.com/users/Tomboys/l.png</digg:userimage>
|
||||
</digg:submitter>
|
||||
<feedburner:origLink>http://digg.com/environment/Small_earthquake_rattles_western_Los_Angeles_01_23_2009_7_42</feedburner:origLink></item>
|
||||
<item>
|
||||
<title>Want to Play with My Shiny New Toy?</title>
|
||||
<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/i9j_JpRZP6A/Want_to_Play_with_My_Shiny_New_Toy</link>
|
||||
<description>Weeeee!<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/i9j_JpRZP6A" height="1" width="1"/></description>
|
||||
<pubDate>Sat, 24 Jan 2009 13:10:01 +0000</pubDate>
|
||||
<digg:diggCount>2030</digg:diggCount>
|
||||
<digg:category>Space</digg:category>
|
||||
<digg:commentCount>120</digg:commentCount>
|
||||
<guid isPermaLink="false">http://digg.com/space/Want_to_Play_with_My_Shiny_New_Toy</guid>
|
||||
<digg:submitter>
|
||||
<digg:username>msaleem</digg:username>
|
||||
<digg:userimage>http://digg.com/users/msaleem/l.png</digg:userimage>
|
||||
</digg:submitter>
|
||||
<feedburner:origLink>http://digg.com/space/Want_to_Play_with_My_Shiny_New_Toy</feedburner:origLink></item>
|
||||
<item>
|
||||
<title>Ring of Fire: Solar Eclipse for Indian Ocean People! Lucky!</title>
|
||||
<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/Lrn21K4rq84/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky</link>
|
||||
<description>PARIS (AFP) – A few lucky people in the Indian Ocean will be treated to a rare event on Monday when an annular solar eclipse will transform the Sun into a dark disc with a blazing ring-shaped corona around its rim. In solar eclipses, the Moon moves between the Sun and Earth, casting its shadow on the terrestrial surface....so lucky..<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/Lrn21K4rq84" height="1" width="1"/></description>
|
||||
<pubDate>Sat, 24 Jan 2009 12:20:01 +0000</pubDate>
|
||||
<digg:diggCount>556</digg:diggCount>
|
||||
<digg:category>Space</digg:category>
|
||||
<digg:commentCount>43</digg:commentCount>
|
||||
<media:thumbnail url="http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky/t.jpg" width="80" height="80" />
|
||||
<media:group>
|
||||
<media:content url="http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky/t.jpg" medium="image" type="image/jpeg" width="80" height="80" />
|
||||
<media:content url="http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky/a.jpg" medium="image" type="image/jpeg" width="30" height="30" />
|
||||
<media:content url="http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky/s.jpg" medium="image" type="image/jpeg" isDefault="true" width="48" height="48" />
|
||||
<media:content url="http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky/m.jpg" medium="image" type="image/jpeg" width="120" height="120" />
|
||||
<media:content url="http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky/l.jpg" medium="image" type="image/jpeg" width="160" height="160" />
|
||||
<media:content url="http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky/p.jpg" medium="image" type="image/jpeg" width="80" height="50" />
|
||||
</media:group>
|
||||
<guid isPermaLink="false">http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky</guid>
|
||||
<digg:submitter>
|
||||
<digg:username>arena84</digg:username>
|
||||
<digg:userimage>http://digg.com/users/arena84/l.png</digg:userimage>
|
||||
</digg:submitter>
|
||||
<feedburner:origLink>http://digg.com/space/Ring_of_Fire_Solar_Eclipse_for_Indian_Ocean_People_Lucky</feedburner:origLink></item>
|
||||
<item>
|
||||
<title> Teleportation Milestone Achieved</title>
|
||||
<link>http://feeds.digg.com/~r/digg/container/science/popular/~3/I-pxDqJEjY8/Teleportation_Milestone_Achieved</link>
|
||||
<description>Scientists have come a bit closer to achieving the "Star Trek" feat of teleportation. No one is galaxy-hopping, or even beaming people around, but for the first time, information has been teleported between two separate atoms across a distance of a meter — about a yard.<img src="http://feeds2.feedburner.com/~r/digg/container/science/popular/~4/I-pxDqJEjY8" height="1" width="1"/></description>
|
||||
<pubDate>Sat, 24 Jan 2009 10:00:02 +0000</pubDate>
|
||||
<digg:diggCount>1539</digg:diggCount>
|
||||
<digg:category>General Sciences</digg:category>
|
||||
<digg:commentCount>283</digg:commentCount>
|
||||
<guid isPermaLink="false">http://digg.com/general_sciences/Teleportation_Milestone_Achieved</guid>
|
||||
<digg:submitter>
|
||||
<digg:username>raywatson</digg:username>
|
||||
<digg:userimage>http://digg.com/users/raywatson/l.png</digg:userimage>
|
||||
</digg:submitter>
|
||||
<feedburner:origLink>http://digg.com/general_sciences/Teleportation_Milestone_Achieved</feedburner:origLink></item>
|
||||
</channel>
|
||||
</rss>
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
-module(rss_parse).
|
||||
|
||||
-export([is_rss2_feed/1, get_feed_items/1, get_item_time/1, compare_feed_items/2]).
|
||||
-include_lib("/usr/lib/erlang/lib/xmerl-1.3.26/include/xmerl.hrl").
|
||||
|
||||
% В этой функции вызываем функцию `xmerl_scan:file/1`, которая возвращает парсер XML-документа. Затем используем `xmerl_xpath:string/2` для поиска элемента `<rss>` с атрибутом `version` равным "2.0". Если такой элемент найден, то функция возвращает true, иначе false.
|
||||
is_rss2_feed(Name)->
|
||||
{Doc,_} = xmerl_scan:file(Name),
|
||||
case xmerl_xpath:string("/rss[@version='2.0']", Doc) of
|
||||
[] -> false;
|
||||
_ -> true
|
||||
end.
|
||||
|
||||
% Возвращает список элементов
|
||||
get_feed_items(N) ->
|
||||
xmerl_xpath:string("//item", N).
|
||||
|
||||
% пока не проверена (не на чем, а функцию поэлементоно разбирающую список есть ощущение, что я буду писать в одном из следующих пунктов)
|
||||
get_item_time(Item) ->
|
||||
PubDateXPath = "//pubDate",
|
||||
[PubDateNode | _] = xmerl_xpath:string(PubDateXPath, Item),
|
||||
[PubDate | _] = PubDateNode#xmlElement.content,
|
||||
DateTime = httpd_util:convert_request_date(PubDate#xmlText.value), % bad_time if wrong
|
||||
calendar:datetime_to_gregorian_seconds(DateTime).
|
||||
|
||||
% @private
|
||||
% @doc Эта вспомогательная функция просматривает заданный XML элемент
|
||||
% и удаляет из него сведения о других XML элементах, например содержащиеся в полях
|
||||
% "parents" или "pos".
|
||||
%
|
||||
% @spec extract_xml(Node::xmlAny()) -> xmlAny()
|
||||
%
|
||||
extract_xml(Elem = #xmlElement{}) ->
|
||||
Elem#xmlElement{parents=[], pos=0,
|
||||
content=lists:map(fun extract_xml/1, Elem#xmlElement.content),
|
||||
attributes=lists:map(fun extract_xml/1, Elem#xmlElement.attributes)};
|
||||
extract_xml(Attr = #xmlAttribute{}) ->
|
||||
Attr#xmlAttribute{parents=[], pos=0};
|
||||
extract_xml(Text = #xmlText{}) ->
|
||||
Text#xmlText{parents=[], pos=0};
|
||||
extract_xml(Comment = #xmlComment{}) ->
|
||||
Comment#xmlComment{parents=[], pos=0};
|
||||
extract_xml(Other) ->
|
||||
Other.
|
||||
|
||||
compare_feed_items(OldItemRow, NewItemRow) ->
|
||||
OldItem = extract_xml(OldItemRow),
|
||||
NewItem = extract_xml(NewItemRow),
|
||||
|
||||
case OldItem =:= NewItem of
|
||||
true -> same;
|
||||
_ ->
|
||||
Handler = fun(E, Acc) ->
|
||||
Acc or is_updated(OldItem, NewItem, E)
|
||||
end,
|
||||
Acc = false,
|
||||
ListXPathAttrs = ["//guid", "//title", "//link"],
|
||||
|
||||
case lists:foldl(Handler, Acc, ListXPathAttrs) of
|
||||
true -> updated;
|
||||
_ -> different
|
||||
end
|
||||
end.
|
||||
|
||||
is_updated(OldItem, NewItem, XPathAttr) ->
|
||||
OldAttrValue = xmerl_xpath:string(XPathAttr, OldItem),
|
||||
case OldAttrValue of
|
||||
[] -> false;
|
||||
_ -> NewAttrValue = xmerl_xpath:string(XPathAttr, NewItem),
|
||||
case NewAttrValue of
|
||||
[] -> false ;
|
||||
_ ->
|
||||
[OldGUID] = OldAttrValue,
|
||||
[NewGUID] = NewAttrValue,
|
||||
OldGUID == NewGUID
|
||||
end
|
||||
end.
|
||||
|
|
@ -0,0 +1,104 @@
|
|||
-module(rss_queue). % 1.Создайте модуль с именем
|
||||
|
||||
-compile(export_all).
|
||||
|
||||
% 4 Создайте и экспортируйте вспомогательные функции для запуска нового серверного процесса, обслуживающего очередь
|
||||
start() ->
|
||||
Queue = [],
|
||||
spawn(?MODULE, server, [Queue]).
|
||||
|
||||
%% @doc Функция для сравнения дат
|
||||
date_comporator(A, B) ->
|
||||
rss_parse:get_item_time(A) < rss_parse:get_item_time(B).
|
||||
|
||||
%% @doc Добавление RSS-элемента очередь -- процедуру определенно требуется разделить на несколько вспомогательных функций
|
||||
push_item(RSSItem, Queue) ->
|
||||
{State, FoundItem} = search_item(RSSItem, Queue), %3.1.2
|
||||
case State of
|
||||
same ->
|
||||
Queue; % 3.1.4.1 мы просто игнорируем его.
|
||||
updated ->
|
||||
QueueUpdated = Queue--[FoundItem], % 3.1.5.1 старую версию удалить из очереди
|
||||
lists:sort(fun date_comporator/2, QueueUpdated++[RSSItem]); % 3.1.5.2 прежде чем добавлять новую
|
||||
different ->
|
||||
lists:sort(fun date_comporator/2, Queue++[RSSItem])
|
||||
end.
|
||||
|
||||
% 2. Модуль должен содержать функцию server, в которой реализован цикл сервера
|
||||
server(Queue) -> % 2.1 Пока состояние очереди должно хранить только список элементов ленты
|
||||
receive % 3. Функция server должна обрабатывать следующие сообщения
|
||||
{add_item, RSSItem} -> % 3.1 Это наиболее сложная операция поддерживаемая очередью
|
||||
UpdatedQueue = push_item(RSSItem, Queue), % 3.1.1 обновить список, включив в него новый элемент
|
||||
server(UpdatedQueue);
|
||||
{get_all, RegPid} -> % 3.2 Другой процесс может получить все содержимое очереди
|
||||
RegPid ! {self(), Queue},
|
||||
server(Queue)
|
||||
end.
|
||||
|
||||
%% @doc Поиск в листе элемента
|
||||
search_item(RSSItem, []) ->
|
||||
{different, RSSItem};
|
||||
|
||||
%% @doc Поиск элемента
|
||||
search_item(RSSItem, Queue) ->
|
||||
[Head | Tail] = Queue,
|
||||
case rss_parse:compare_feed_items(RSSItem, Head) of % 3.1.3 помощью функции, из задания 3,
|
||||
same -> {same, Head}; % 3.1.4 Если в очереди есть элемент same
|
||||
updated -> {updated, Head}; % 3.1.5 Если в очереди есть элемент updated
|
||||
different -> search_item(RSSItem, Tail) % 3.1.6 Если в очереди отсутствует такой же элемент
|
||||
end.
|
||||
|
||||
%% @doc 5. Добавление элемента
|
||||
add_item(QPid, Item)
|
||||
when is_pid(QPid) ->
|
||||
QPid ! {add_item, Item},
|
||||
ok.
|
||||
|
||||
%% @doc 6. Добавление Фида (не сложно написать, с учетом ранее проделанной работы)
|
||||
add_feed(QPid, RSS2Feed) ->
|
||||
Items = rss_parse:get_feed_items(RSS2Feed),
|
||||
lists:foreach(fun(Item) ->
|
||||
add_item(QPid, Item)
|
||||
end, Items),
|
||||
ok.
|
||||
|
||||
|
||||
%% @doc 7. Получения RSS
|
||||
get_all(QPid) when is_pid(QPid) ->
|
||||
QPid ! {get_all, self()},
|
||||
receive
|
||||
{QPid, List} ->
|
||||
io:format("length ~p~n",[length(List)]),
|
||||
List
|
||||
after 1000 ->
|
||||
{error, timeout}
|
||||
end.
|
||||
|
||||
%%% функция для тестирования
|
||||
test() ->
|
||||
PID = start(),
|
||||
{XML, _} = xmerl_scan:file("digg-science-rss2.xml"),
|
||||
{XMLOTHER, _} = xmerl_scan:file("digg-science-rss1.xml"),
|
||||
add_feed(PID, XML),
|
||||
get_all(PID),
|
||||
add_feed(PID, XMLOTHER),
|
||||
get_all(PID),
|
||||
add_feed(PID, XML),
|
||||
get_all(PID).
|
||||
|
||||
|
||||
%% 12> rss_queue:test().
|
||||
%% =ERROR REPORT==== 11-Apr-2023::18:53:55.974721 ===
|
||||
%% Error in process <0.125.0> with exit value:
|
||||
%% {{badmatch,[]},
|
||||
%% [{rss_queue,search_item,2,[{file,"rss_queue.erl"},{line,40}]},
|
||||
%% {rss_queue,push_item,2,[{file,"rss_queue.erl"},{line,16}]},
|
||||
%% {rss_queue,server,1,[{file,"rss_queue.erl"},{line,31}]}]}
|
||||
%% дополнительно потребовало написания функции поиска для принимаемого пустого списка с явным возвратом атома дифф
|
||||
|
||||
%% 11> rss_queue:test().
|
||||
%% length 40
|
||||
%% length 43
|
||||
%% length 43
|
||||
|
||||
%% очевидно, что в результате добавления второго файла добавилось 3 новости, более подробно можно отследить операции, логируя каждое изменение списка (функции добавления фида, поиска и добавления итемов)
|
||||
Loading…
Reference in New Issue